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采用盘左、盘右的水平角观测方法，可以消除（ ）误差。

单选题
2021-07-17 23:49
A、对中；
B、十字丝的竖丝不铅垂；
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/e96d41fb-e6d2-4985-9558-07a516210019.jpg"title="1134115376_3.jpg" alt="1134115376_3.jpg"/>
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正确答案
C
试题解析
标签： 水文与水资源工程 专升本 水文信息采集与处理 2019级第三学期期末考试 2020年第二学期补考 水文统计学 期末考试 水文预报
感兴趣题目
设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞c Or c＞d
设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And bc Or ba+c
设t=2，b=3，c=4，d=5，则下面语句输出的是（ ）。 Print3>2*b Or a=c And bc Or c>d
翻译：With Average or With Particular Average（WA or WPA）（）
ANB指令是（）指令，ORB是（）指令，与and、or指令不同。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.
（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
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The （） is used for hauling in or letting out the wires or ropes.
Vessels must be（）valid certificate of nationality or certificated of registry or license.
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
相关题目
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（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
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已知A=40；B=30；C=100；D=50，逻辑“与”运算符为and，“或”运算符为or，“非”运算符为not。计算表达式（A>B+20）or（B+60<>
设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
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The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.
Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）
设a=2，b=3，c=4，d=5，表达式3>2*b or a=c and b<>c or c>d的值是( )
设a=5，b=4，c=3，d=2，则表达式3＞2术b Or a=c And b＜＞c Or c＞d的值是
设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d
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设a=5，b=4，c=3，d=2下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d
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