【判断题】【消耗次数:1】
计算平面结构体系的自由度时,一个单铰减少一个自由度。()
正确
错误
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相关题目
【判断题】 计算平面结构体系的自由度时,一个支座链杆可减少一个自由度。()
①  正确
②  错误
【单选题】 几何组成分析时一个单铰可使体系减少()个自由度。
①  1
②  2
③  3
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【判断题】 计算平面结构体系的自由度时,一个由n个杆件组成的复铰,相当于(n-1)个单铰。()
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【判断题】 对于平面结构体系,一个点有两个自由度。()
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【单选题】 一个刚片在平面内有()个自由度。
①  1
②  2
③  3
④  4
【单选题】 一个点在平面内的自由度有( )个。
①  2
②  3
③  4
④  5
【单选题】 一个刚片在平面内的自由度有( )个。
①  2
②  3
③  4
④  5
【单选题】 一个刚片在平面内的自由度有( )个。
①  2
②  3
③  4
④  5
【判断题】 对于平面链杆系,一根链杆减少一个自由度。()
①  正确
②  错误
【单选题】 单自由度体系的自由振动主要计算( )。
①  频率与周期
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③  频率与振型
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随机题目
【单选题】 A: Richard, class begins at 9, and you are late. B: I know, but I missed my bus, Im sorry. B: [填空]. You have to be here on time.
①  Thats no excuse
②  Dont mention it
③  You neednt be
④  No problem
【单选题】 A: Dont tell me youve got a headache again. B: [填空].
①  Sorry, I wont be late next time
②  Youre right, Im just joking
③  All right, I wont say it
④  OK, youve made your point
【单选题】 A: Im sorry. Those shoes are not available in your size. B: [填空].
①  No use saying sorry. Thats a real let down
②  Im truly grateful for your help
③  Its just as Ive expected
④  Thats a pity. Thank you anyway
【单选题】 A: [填空]? B: Yes, Id like to open a savings account.
①  What do you want to do, sir
②  Why have you come here
③  Do you have anything to do here
④  Can I help you, sir
【单选题】 A: Bill told me he could not come here because his father was ill. B: [填空]
①  Its good.
②  Thats bad.
③  He is impolite.
④  What a pity!
【单选题】 A: Do you know Marks phone number? B: [填空] . A: OK. I might as well look it up in the phone book.
①  Just a second
②  Not that I know of
③  I cant think of it now
④  Why ask?
【单选题】 A: How long can I keep the book? B: [填空].
①  Any period longer than four weeks, you will be fined
②  Four weeks, but you can renew it if you need it longer
③  You can check it on the computer over there
④  At most four weeks if you dont mind
【单选题】 A: Is it time for us to set off now? B: [填空]. We’ll have to wait for one more hour.
①  Certainly, it is
②  Thats all right
③  Sorry, I am afraid not
④  Sorry,its too long
【单选题】 A: We had a trip to China this summer. B: [填空] A: Yes, we did. In fact, we even encountered a lion.
①  Didnt you?
②  How did it go?
③  I guess you did.
④  I bet you had a great time.
【单选题】 A: Can you give me a hand? B: [填空].
①  I can give you both hands
②  Im all yours
③  The pleasure is mine
④  Ill watch your back