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【单选题】
When are unintended or conflicting meanings likely to be created?A.
When the encoding person receives a meaning unrelated to what the decoder thinks
B.
When the decoding person receives a meaning unrelated to what the encoder thinks
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皮皮学刷刷变学霸
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【简答题】超滤系数(ultrafiltration coefficient，Kf)
【简答题】克郎α系数(Cronbach α Coefficient)
【简答题】野外测量工作的基准面是()
【判断题】相传，汤圆起源于唐朝，当时明州也就是现在的宁波，兴起一种新奇食品，即用黑芝麻、猪板油、少许白砂糖做馅，外面用糯米粉搓成球，煮熟后，吃起来香甜可口，饶有风趣。因为这种糯米球煮在锅里又浮又沉，所以它最早叫“浮元子”，后来有的地区把“浮元子”改称元宵。
A.
正确
B.
错误
【简答题】隐性白羽基因(o)（名词解释）
【多选题】Regarding correlation coefficient, which of the following are true?
A.
If the correlation coefficient of two attributes is 0, then the two attributes are independent.
B.
If the correlation coefficient of two attributes is greater than 0, then there is causality between the two attributes.
C.
If we normalize two attributes with z-score normalization, then their correlation coefficient is equal to their covariance.
D.
Correlation coefficient can be used to detect the redundancy among attributes.
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