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【单选题】
下列基于无线电+激光测量的相对导航的说法错误的是（）A 可以使用微波雷达，激光雷达， 光学成像敏感器及对接敏感器B 由于测量精度不高，不适用于基线测量C 激光雷达可以用于测量相对距离和相对角位置D 可以用于对非合作目标的接近绕飞A.
B
B.
A
C.
C
D.
D
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【多选题】下列各项中届于销售商品收入确认条件的有()
A.
企业已将商品所有权上的主要风险和报酬转移给购货方
B.
企业既没有保留通常与所有权相联系的继续管理权，也没有对已售出的商品实施有效控制
C.
相关的经济利益很可能流入企业
D.
相关的已发生或将发生的成本的金额能够可靠地计量
【单选题】Sporting activities are essentially modified forms of hunting behavior. Viewed biologically, the modem foot-bailer is in reality a member of a hunting group. His killing weapon has turned into a harml...
A.
are forms of biological development
B.
have actually developed from hunting
C.
are essential forms of taming the prey
D.
have changed the ways of hunting
【简答题】《左传》,全称《春秋左氏传》,又称《春秋左传》或《左氏春秋》。相传为春秋末年鲁国史官()所撰。
【单选题】Sporting activities are essentially modified forms of hunting behavior. Viewed biologically, the modern footballer is in reality a member of a hunting group. His killing weapon has turned into a harml...
A.
Hunting is very important in human civilization
B.
Sporting activities satisfy the desire of modern society
C.
It's hunting that provides human beings with food
D.
The importance of sporting activities in modern society
【简答题】博学谷项目中如何实现用户注册的
【单选题】Sporting activities are essentially modified forms of hunting behavior. Viewed biologically, the modem foot-bailer is in reality a member of a hunting group. His killing weapon has turned into a harml...
A.
are forms of biological development
B.
have actually developed from hunting
C.
are essential forms of taming the prey
D.
have changed the ways of hunting
【简答题】我国第一部叙事详备的编年体史书是 , 又名《 春秋左氏传 》 , 相 传为春秋末年鲁国史官 所 作。
【简答题】《 左传 》是我国第一部叙事详备的( )体史书,相传为春秋末年鲁国史官( )撰写。
【单选题】一个电容器的耐压为 250V ,把它接入正弦交流电中使用,加在它两端的交流电压有效值可以是 ( ) 。 A. 150V B. 180V C. 220V D. 都可以
A.
。
B.
,
C.
、
D.
!
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