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圆水准器轴是指什么?

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如果你能每天怀着感恩的心情去工作,在工作中始终牢记拥有一份工作,就要懂得感恩的道理,你一定会收获很多()

Collins COBUILD English Language Dictionary (1987) has some unique features such as definition, extra column and ______.

A. pronunciation
B. grammar codes
C. usage examples
D. language codes

Happiness doesn ’t alway s _______ money.

A. go through
B. go in for
C. go with
D. go over

用陀螺经纬仪测得PQ的真北方位角为APQ62°11′08″,计算得P点的子午线收敛角P-0°48′14″,则PQ的坐标方位角PQ()

A. 62°59′22″
B. 61°22′54″
C. 61°06′16″

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