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【简答题】
测量规范中要求测量误差不能超过某一限值,( )倍中误差作为偶然误差的容许值 ,称为( )。
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举一反三
【判断题】财务会计和管理会计都必须遵循企业会计准则。
A.
正确
B.
错误
【简答题】Engineers had a better choice of material, ______________ (当新发明被投入使用以后).
【单选题】内环境最重要的特征是( )
A.
理化性质保持相对稳定
B.
理化性质保持不变
C.
各参数静止不变
D.
与外界环境同步变化
E.
不因代谢而变化
【单选题】A ) It looks unusual. B) It transforms. C) It uses better material. D) It is a new product.
A.
It looks unusual.
B.
It transforms.
C.
It uses better material.
D.
It is a new product.
【单选题】After synthetic ____, engineers had a better choice of material.
A.
created
B.
has created
C.
has been created
D.
had been created
【单选题】内环境最重要的特征是
A.
理化性质保持相对稳定
B.
各参数绝对静止
C.
各参数大幅波动
D.
与外环境同步变化
E.
不因代谢而改变
【单选题】内环境最重要的特征是
A.
理化性质保持相对稳定
B.
各参数个数不变
C.
各参数大幅变动
D.
与外环境同步变化
E.
不因代谢而改变
【单选题】After synthetic ____, engineers had a better choice of material.
A.
created
B.
has created
C.
has been created
D.
had been created
【单选题】Mr. H never gets beyond corporal and material ________.
A.
verities
B.
value
C.
profit
D.
benefit
【单选题】If a better material______, the cost of the product would have been decreased.
A.
had been used
B.
had been using
C.
being used
D.
using
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