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【多选题】
雷达液位计的特点A.
可实现非接触测量
B.
测量的准确性优于超声波式
C.
不适用于远距离测量
D.
适合电离能力弱的介质
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【简答题】电泳染料____ 溶液母液用铝箔或黑纸包裹容器,储于温室。
【单选题】When brand equity is measured using the value of a brand based on input from consumers, such as familiarity, purchase considerations, customer satisfaction, and willingness to seek out the brand, the ...
A.
financial value.
B.
market value.
C.
revenue premium.
D.
consumer value.
【单选题】We can use h as a low pass filter to average the neighbors intensity value of each pixels for an input image to get a blurred image, and we can use the command "h=1/M*ones(20,20);" to acquire the coef...
A.
20
B.
40
C.
400
D.
80
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