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【多选题】
传感器是一种以一定精确度把被测量转换为与之有确定关系、便于应用的某种物理量的测量装置。此定义包含以下哪几方面含义?( )
A.
传感器是测量装置,能完成测量任务;
B.
它的输入量是物理、化学、生物等的某一被测量;
C.
其输出是某种物理量,主要是电量;
D.
输出与输入间有对应关系,具有一定精度
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【单选题】已知点A(3,-2),B(3,2),则A,B两点相距( )
A.
3个单位长度
B.
4个单位长度
C.
5个单位长度
D.
6个单位长度
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【单选题】The three primary colour of TV are ___________.
A.
red,blue and yellow
B.
red,green and white
C.
red,green and blue
D.
yellow, magenta and cyan
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【单选题】已知点A(m 2 -5,2m+3)在第三象限角平分线上,则m=( )
A.
4
B.
-2
C.
4或-2
D.
-1
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【单选题】_______ the students in the primary school is about three thousand,and of them are g
A.
13._______ the students in the primary school is about three thousand,and of them are girls. A. A number of two third
B.
The number of two thirds
C.
A number of two thirds
D.
The number of two third
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【多选题】The three primary goals of a project are:
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Performance
B.
Time
C.
Cost
D.
Quality
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【单选题】已知点M(a,b)在直线3x+4y=15上,则 a 2 + b 2 的最小值为( )
A.
2
B.
3
C.
15 4
D.
5
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【单选题】已知点A(-1,5)和向量 a =(2,3),若 AB =3 a ,则点B的坐标为( )
A.
(7,4)
B.
(7,14)
C.
(5,4)
D.
(5,14)
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【单选题】It was said that a new Hope primary school had been set up ____the three heroes form Changjiang University. .
A.
in favour of
B.
in terms of
C.
in view of
D.
in the name of
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【单选题】已知点A(-1,5)和向量 a =(2,3),若 =3 a ,则点B的坐标为( )
A.
(7,4)
B.
(7,14)
C.
(5,4)
D.
(5,14)
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【判断题】过滤是悬浮颗粒和滤料颗粒之间粘附作用的结果,过滤机理主要包括迁移机理和粘附机理。
A.
正确
B.
错误
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相关题目:
【单选题】已知点A(3,-2),B(3,2),则A,B两点相距( )
A.
3个单位长度
B.
4个单位长度
C.
5个单位长度
D.
6个单位长度
查看完整题目与答案
【单选题】The three primary colour of TV are ___________.
A.
red,blue and yellow
B.
red,green and white
C.
red,green and blue
D.
yellow, magenta and cyan
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【单选题】已知点A(m 2 -5,2m+3)在第三象限角平分线上,则m=( )
A.
4
B.
-2
C.
4或-2
D.
-1
查看完整题目与答案
【单选题】_______ the students in the primary school is about three thousand,and of them are g
A.
13._______ the students in the primary school is about three thousand,and of them are girls. A. A number of two third
B.
The number of two thirds
C.
A number of two thirds
D.
The number of two third
查看完整题目与答案
【多选题】The three primary goals of a project are:
A.
Performance
B.
Time
C.
Cost
D.
Quality
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【单选题】已知点M(a,b)在直线3x+4y=15上,则 a 2 + b 2 的最小值为( )
A.
2
B.
3
C.
15 4
D.
5
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【单选题】已知点A(-1,5)和向量 a =(2,3),若 AB =3 a ,则点B的坐标为( )
A.
(7,4)
B.
(7,14)
C.
(5,4)
D.
(5,14)
查看完整题目与答案
【单选题】It was said that a new Hope primary school had been set up ____the three heroes form Changjiang University. .
A.
in favour of
B.
in terms of
C.
in view of
D.
in the name of
查看完整题目与答案
【单选题】已知点A(-1,5)和向量 a =(2,3),若 =3 a ,则点B的坐标为( )
A.
(7,4)
B.
(7,14)
C.
(5,4)
D.
(5,14)
查看完整题目与答案
【判断题】过滤是悬浮颗粒和滤料颗粒之间粘附作用的结果,过滤机理主要包括迁移机理和粘附机理。
A.
正确
B.
错误
查看完整题目与答案