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【单选题】
经纬仪对中的目的是使仪器的中心(竖轴)与测站点位于同一( )上。
A.
水平线
B.
铅垂线
C.
倾斜线
D.
水平面
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【简答题】The United States has turned itself from a hegemonic power to a guardian of democracy by the introduction of ______ to the Middle East.
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【单选题】声级计的计权网络中，B计权网络是根据()方等响曲线设计的
A.
40
B.
70
C.
100
D.
120
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【单选题】T h e downward trend has itself ________ and in some districts has begun to rise.
A.
paralleled
B.
prevailed
C.
plateaued
D.
prolonged
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【多选题】关于声级计中的计权网络，说法正确的是( )
A.
计权网络能模拟人耳的听觉特性
B.
计权网络能模拟人耳听觉在不同频率有相同的灵敏性
C.
通过计权网络测得的声压级为客观物理量的声级计
D.
通过计权网络测得的声压级是经过听感修正的声级计
E.
通过计权网络测得的声压级叫做计权声级或噪声级
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【判断题】声级计有A，B，C三挡计权网络。A计权网络由于其特性曲线接近于人耳的听觉特性，因此是世界上噪声测量中最广泛的一种计权网络。
A.
正确
B.
错误
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【单选题】The government has promised to commit itself to ________ peace.
A.
keep
B.
be kept
C.
keeping
D.
being kept
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【单选题】What has a hand but can't scratch itself?
A.
A clock
B.
A block
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【单选题】在所有计权网络中,对低频噪声成分削减最多的是:
A.
A计权;
B.
B计权;
C.
C计权;
D.
线性计权。
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【判断题】Programs can't be built into the hardware itself.
A.
正确
B.
错误
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【单选题】What has the Academy asserted to defend itself against such criticism?
A.
It has taken into consideration the opinions and suggestions from various parts of the world.
B.
Its physical distance from the world's literary capitals serves to protect itself from outside influence.
C.
No politics, whether international or regional, has ever interfered with its process of selection.
D.
Its only standard of selection is true writing ability.
查看完整题目与答案
相关题目：
【简答题】The United States has turned itself from a hegemonic power to a guardian of democracy by the introduction of ______ to the Middle East.
查看完整题目与答案
【单选题】声级计的计权网络中，B计权网络是根据()方等响曲线设计的
A.
40
B.
70
C.
100
D.
120
查看完整题目与答案
【单选题】T h e downward trend has itself ________ and in some districts has begun to rise.
A.
paralleled
B.
prevailed
C.
plateaued
D.
prolonged
查看完整题目与答案
【多选题】关于声级计中的计权网络，说法正确的是( )
A.
计权网络能模拟人耳的听觉特性
B.
计权网络能模拟人耳听觉在不同频率有相同的灵敏性
C.
通过计权网络测得的声压级为客观物理量的声级计
D.
通过计权网络测得的声压级是经过听感修正的声级计
E.
通过计权网络测得的声压级叫做计权声级或噪声级
查看完整题目与答案
【判断题】声级计有A，B，C三挡计权网络。A计权网络由于其特性曲线接近于人耳的听觉特性，因此是世界上噪声测量中最广泛的一种计权网络。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The government has promised to commit itself to ________ peace.
A.
keep
B.
be kept
C.
keeping
D.
being kept
查看完整题目与答案
【单选题】What has a hand but can't scratch itself?
A.
A clock
B.
A block
查看完整题目与答案
【单选题】在所有计权网络中,对低频噪声成分削减最多的是:
A.
A计权;
B.
B计权;
C.
C计权;
D.
线性计权。
查看完整题目与答案
【判断题】Programs can't be built into the hardware itself.
A.
正确
B.
错误
查看完整题目与答案
【单选题】What has the Academy asserted to defend itself against such criticism?
A.
It has taken into consideration the opinions and suggestions from various parts of the world.
B.
Its physical distance from the world's literary capitals serves to protect itself from outside influence.
C.
No politics, whether international or regional, has ever interfered with its process of selection.
D.
Its only standard of selection is true writing ability.
查看完整题目与答案