【单选题】【消耗次数：1】
A点坐标为（10、20、30），B点坐标为（30、20、30）则AB距离为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正垂线
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
侧垂线
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正平线
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
铅垂线
参考答案：
复制
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相关题目
【单选题】
Calibri,sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">SolidWorksmso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">的工程图文件由相对独立的两部分组成，即（minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">）和（minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">）。
①
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>图纸格式文件和工程图内容
②
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>工程图模板和图纸格式
③
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>零件图和装配体
【判断题】
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">选择minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">SolidWorks Motion12.0pt;font-family:宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">工具栏中的【动画向导】可以生成旋转动画和装配体爆炸动画。
①
正确
②
错误
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">重合断面图应画在
①
视图的轮廓线以外
②
剖切位置线的延长线上
③
视图轮廓线以内
④
按投影关系配置
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">画组合体视图应先进行
①
尺寸分析
②
线型分析
③
视图选择
④
形体分析
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">同一物体各图形中的剖面符号
①
间距可不一致
②
无要求
③
必须方向一致
④
方向必须一致并要间隔相同
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">画局部视图时，应在基本视图上标注出
①
投射方向
②
名称
③
投射方向和相应字母
④
不标注
【单选题】
mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman
mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">下面几种叙述中，哪一种是正确的？
①
所有螺纹只需标出相应标准所规定的螺纹代号
②
所有螺纹的公称直径前面必须加上“M”符号
③
牙型、大径及螺距都符合标准，但极限偏差不符合标准的螺纹，除应注明代号外，还应注出极限尺寸
④
只要牙型、公称直径、螺距三者都一致，一对内外螺纹才能旋合
【判断题】
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">零件图由一组图形、完整尺寸、技术要求和图框标题栏四部分组成。
①
正确
②
错误
【单选题】
mso-ascii-font-family:Times New Romanmso-bidi-font-family:Times New Romanmso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">下列几组溶液具有缓冲作用的是宋体;mso-hansi-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">( )
①
H2O——NaAc
②
HCl——NaCl
③
NaOH——Na2SO4
④
NaHCO3——Na2CO3
【判断题】
mso-ascii-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:
宋体;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">通过对组合体尺寸的分析，把组合体三视图尺寸分为定形尺寸、定位尺寸和总体尺寸
①
正确
②
错误
【单选题】
mso-bidi-font-family:宋体;mso-font-kerning:0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">相交剖视图中的箭头方向表示
①
应旋转后投影
②
不画其投影
③
不旋转直接投影
④
旋转后用虚线表示其投影
随机题目
【单选题】
我国确定混凝土强度等级采用的标准试件为（ ）。
①
直径150mm、高300mm的圆柱体
②
直径150mm、高150mm的圆柱体
③
边长150mm的立方体
④
边长300mm的立方体
【多选题】
对于危大工程，监理单位做的工作包括（ ） 。
①
将危大工程列入监理规划和监理实施细则
②
应当对危大工程施工实施专项巡视检查
③
建立危大工程安全管理档案
④
对危大工程实行旁站监理
⑤
对于超过一定规模的危大工程施工方案进行论证
【多选题】
装配式建筑管理信息化具体功能表现在( )方面。
①
辅助智能化生产
②
实现对项目进度可控
③
运用电子图纸,实现无纸化管理
④
提高机械化水平，减少繁重、复杂的手工劳动和湿作业
⑤
为实现物业科学高效管理提供强大助理