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【多选题】
关于复合斜面夹角θ角和交线的方位,以下表达式正确的是( )。A.
tanθ＝tanβ／sinφ
B.
tanφ＝tanα／tanβ
C.
tanθ＝tanα／sinω
D.
tanω＝tanα／tanβ
E.
tanφ＝tanβ／tanα
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【简答题】Fill in the following sentences with appropriate forms of “experience”(1-3),“doubt”(4-7)or “fortune”(8-10). 1)Every learns best from his own ____. 2)She is young and ____,but she is good at learning. ...
【单选题】They humiliated the young man ______ pressuring his father into telling them something that would damage me, whether it was true or not. (U2—A)
A.
in terms of
B.
in line with
C.
in hopes of
D.
in view of
【单选题】航海上,公式D e( n mile) = 2.09 是用于计算_________ 。
A.
测者能见地平距离
B.
物标能见地平距离
C.
物标地理能见距离
D.
雷达地理能见距离
【简答题】A. When should you go there? B. The main transportation there C. Who usually goes there? D. Getting around and enjoying more E. Why do young people go there? F. Where is it on earth in the world? Cape...
【单选题】航海上,公式Do (n mile) = 2.09 + 2.09是用于计算________。
A.
测者能见地平距离
B.
物标能见地平距离
C.
物标地理能见距离
D.
雷达地理能见距离
【简答题】航海上,公式DO(n mile)=2.09 +2.09 是用于计算 。
【简答题】使工件与刀具产生相对运动以进行切削的最基本的运动称为 。
【单选题】航海上，公式D O （n mile）=2.09√e+2.09√H是用于计算（）。
A.
测者能见地平距离
B.
物标能见地平距离
C.
物标地理能见距离
D.
雷达地理能见距离
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