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【多选题】
观测量的精度指标有哪些。（）A.
方差
B.
中误差
C.
极限误差
D.
相对误差
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举一反三
【单选题】What were two crowns set with?
A.
They were both set with rubies.
B.
They were both set with emeralds.
C.
The King's was set with rubies, and the Queen's was set with emeralds.
【单选题】Listen to the two girls by the window. What language ?
A.
were they speaking
B.
did they speak
C.
are they speaking
【简答题】关节的基本构造包括哪几个部分?
【简答题】What were the two countries Elizabeth I successfully played off against each other for nearly 30 years?
【单选题】Listen to the two girls by the window. What language()?
A.
were they speaking
B.
are they speaking
C.
did they speak
【单选题】3dmax自带的标准灯光中的目标平行光也可以用来模拟太阳光,那是因为:
A.
目标平行光的亮度足够
B.
目标平行光与太阳光的色调一致
C.
目标平行光与太阳光的形状相同
D.
太阳光光线照射均匀，平行光与太阳光照射方式近似
【单选题】What were two trees made of?
A.
They were both made of gold.
B.
They were both made of silver.
C.
One was made of gold and the other silver.
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