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【单选题】
()是指色彩的相貌,也就是色彩最显著得特征,又叫色名。
A.
色相
B.
C.
纯度
D.
色环
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【简答题】测量误差可分为()误差、粗大误差和随机误差。
【单选题】—Tina had nothing for supper, _____ she? —_____. She had some bread and milk. [     ]
A.
had, Yes
B.
had, No
C.
did, Yes
D.
did, No
【判断题】测量误差可以分为随机误差、系统误差和粗大误差三类 ( )
A.
正确
B.
错误
【单选题】测量误差()来分,可分为系统误差、随机误差和粗大误差。
A.
按期数值表示法
B.
按其与仪表使用条件的关系
C.
按其仪表的工作条件
D.
按其产生原因及规律
【单选题】The little field _______ with seaweed some weeks before, and the weeds _______ and whitened on the grass. A. had manured, had rotten B. had manured, had rotted C. had been manured, had rotten D. had b...
A.
had manured, had rotten
B.
had manured, had rotted
C.
had been manured, had rotten
D.
had been manured, had rotted
【单选题】【34】
A.
had had to
B.
had to
C.
has had to
D.
has to
【简答题】A.had talked to B.had seen C.had been with D.had visited
【简答题】测量误差可分为( ) 、( )和粗大误差三种。
【单选题】测量误差按()来分,可分为系统误差、随机误差和粗大误差。
A.
误差的数值表示法
B.
误差与仪表使用条件的关系
C.
仪表的工作条件
D.
误差产生原因及规律
【判断题】测量误差可分为系统误差、偶然误差和粗大误差三类。
A.
正确
B.
错误
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