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【简答题】
先化简,再求值: (1)(x﹣5y)(﹣x﹣5y)﹣(﹣x+5y) 2 ,其中x=﹣1,y=0.5;(2) ,其中x=2,y=﹣3.
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【判断题】携带大件行李时应选择乘坐直梯。
A.
正确
B.
错误
【简答题】翻译下列课程名称(中英文都要写,拍照上传) C-language Programming Design Basic Electrical Engineering Low Frequency Electronic Technology High Frequency Electronic Technology Digital Electronic Technology Electronic Circu...
【单选题】电动骨盆牵引,重量一般为体重的
A.
5%~10%
B.
10%~20%
C.
20%~50%
D.
30%~80%
【单选题】A sensor is provided in the digital governor for receiving a train of pulses whose number per unit time is proportional to the ______.
A.
ship speed
B.
frequency of the generator
C.
fuel flow of the engine
D.
RPM of the engine
【单选题】A sensor is a device that measures a _________ quantity.
A.
digital
B.
physical
C.
electrical
【单选题】在下列各项中,属于项目资本金现金流量表的现金流出内容,不属于全部投资(项目投资)现金流量表现金流出内容的是( )。
A.
营业税金及附加
B.
借款利息支付
C.
维持运营投资
D.
经营成本
【单选题】The thermal resistor is a kind of .
A.
capacitive sensor
B.
digital sensor
C.
energy conversion sensor
D.
energy control sensor
【多选题】下列项目中,属于投资项目现金流出内容的是( )。
A.
固定资产投资
B.
折旧与摊销
C.
无形资产投资
D.
新增经营成本
【简答题】Translate the following Electrical and Electronics Engineering Courses into Chinese. C-language Programming Design Basic Electrical Engineering Low Frequency Electronic Technology High Frequency Elec...
【多选题】The optical encoder is a .
A.
digital sensor
B.
rotational speed sensor
C.
linear displacement sensor
D.
temperature sensor
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