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【简答题】
我们通常用矩形螺纹和梯形螺纹传递动力,三角形螺纹和锯齿形螺纹传递运动,为什么?
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举一反三
【单选题】It was made in Germany 1681.
A.
in
B.
on
C.
at
D.
for
【单选题】在汽车设计与开发工作中,对汽车燃油经济性进行估算,常需要根据发动机台架试验得到的万有特性图与()
A.
动力特性图
B.
驱动力图
C.
功率平衡图
D.
阻力平衡图
【单选题】__________ she heard her grandfather was born in Germany.
A.
That was from her mum
B.
It was her mum that
C.
It was from her mum that
D.
It was her mum whom
【简答题】阅读理解。 It was several years since Adolf Hitler came into power in Germany. And now his army was marching into some parts of Europe. He must be in the prime of his career. One day Hitler went to an exhi...
【简答题】It was several years since Adolf Hitler came into power in Germany. And now his army was marching into some parts of Europe. He must be in the prime(顶峰) of his career. One day Hitler went to an exhibi...
【多选题】在汽车设计与开发工作中,常需要根据发动机台架试验得到()与(),对汽车燃油经济性进行估算。
A.
万有特性图
B.
汽车的爬坡度图
C.
汽车功率平衡图
D.
汽车动力特性图
【单选题】在汽车设计与开发工作中,常需要根据发动机试验架得到的( )图与汽车功率平衡图,对汽车燃油经济性进行估算。
A.
速度特性
B.
负荷特性
C.
万有特性
D.
调整特性
【简答题】A.It blew up on its way from France to the reprocessing plant in Germany. B.It was found to be highly radioactive and erous to the environment. C.Its entrance into France was blocked by some prote...
【单选题】众包指的是一个公司或机构把过去由员工执行的工作任务.以自由自愿的形式外包给非特定的(而且通常是大型的)大众网络的做法。众包的任务通常是由个人来承担,但如果涉及 到需要多人协作完成的任务,也有可能以依靠开源的个体生产的形式出现。 根据上述定义,下列不属于众包的是:
A.
美国加州伯克利大学的分布式计算项目,成功调动了世界各地成千上万个人电脑的闲置计算能力
B.
维基百科是一个自由、免费、内容开放的百科全书协作计划,参与者来自世界各地
C.
企业将IT部门的部分职能外包给专业的第三方管理.集中精力发展企业的核心业务
D.
宝马在德国开设了客户创新实验室.为用户提供的工具帮助他们参与宝马汽车的设计
【单选题】It was made in Germany in 1681.
A.
主谓宾
B.
主系表
C.
主谓
D.
主谓宾宾补
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