皮皮学，免费搜题
登录
搜题
【简答题】
计算下列机构的自由度,有虚约束、局部自由度和复合铰链时应加以说明。如果画箭头的构件为主动件,说明该机构是否有确定的运动。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】药物定量分析中,操作中过滤时为什么要用干燥滤纸和取用续滤液进行试验?
【简答题】The idea that the Chinese eat strange things is __________ but very _____________ for many western tourists.
【多选题】Listen to the conversation again and choose the things tourists are allowed to do in Antarctica.
A.
They clean their clothes before going on land.
B.
They can eat on land, but should take away the trash when they leave.
C.
They can take away a little bit of snow as souvenir.
D.
They can take pictures.
E.
They can get near to and touch the penguins.
【单选题】压缩系数 a 1-2 的下标 1-2 的含义是 。
A.
1 表示自重应力，2表示附加应力
B.
压应力从1 MPa增加到2 MPa
C.
压应力从100 kPa增加到200 kPa
D.
无特定含义，仅是个符号而已
【判断题】If you describe a place as touristy, you mean it is full of tourists or full of things for tourists to buy and do.
A.
正确
B.
错误
【简答题】Things tourists should bring:
相关题目：
参考解析：
知识点：
题目纠错 0
发布
