伺服电机是将电脉冲信号转换成()的变换驱动部件。A、直线位移; B、角位移; C、数

题型:单项选择题

问题:

伺服电机是将电脉冲信号转换成()的变换驱动部件。

A、直线位移;

B、角位移;

C、数字信号;

D、模拟信号;

考点:铣工考试数控铣工考试数控铣工考试题库
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Sunny English Club        For students
16:00 – 18:00 Every Saturday   200 Yuan a month     9 Zhou Yu Street    Tel: 3785290
Foreign teachers, English songs and films and more!
Ocean Museum       9:00—17:00 From Thursday to Sunday     Ticket: 50 yuan
132 Xue Yuan Street    Tel: 5439871       Show you a full picture of sea lives!
Health Centre       9:00—17:30      16 Yong Le Street      Tel: 3801451
Free examinations for those over 70.     Give you good advice to keep healthy!
小题1:Sunny English Club is for _______.
A.nursesB.policemenC.businessmenD.students
小题2:You will pay ________ if you want to stay in the English club for half a year.
A.300 yuanB.600 yuanC.1200 yuanD.2400 yuan
小题3:You can visit Ocean Museum ________.
A.on SaturdayB.on WednesdayC.on MondayD.anytime
小题4:One can get free exams in Health Centre if he is ________.
A.9B.17C.67D.73
小题5:If you are interested in the life of fish, you should go to________.
A.Health CentreB.Ocean Museum
C.Sunny English ClubD.16 Yong Le Street
题型:单项选择题

物体在离心力场中表现的沉降运动现象是指()

A.向心现象

B.离心现象

C.离心力

D.向心技术

E.失重现象

题型:单项选择题

我国大陆海岸线长______多千米,与我国隔海相望的国家有______个,自北向南依次是______、______、______、______、______和______.

题型:单项选择题

《语文课程标准》指出,高中语文选修课程设计五个系列。以下各项中,不属于这一系列中的一项是( )。

A.诗歌与散文

B.小说与戏剧

C.新闻与写作

D.文化论著研读

题型:单项选择题

在国际金融机构中,向其会员国提供贷款利率最高的是()

A.IMF

B.IERD

C.IFC

D.IDA

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