在片剂的压片过程中要求()小时做一次片差
A、1
B、2
C、3
D、4
参考答案:B
We all held the view ________ the book said was right.
A.that what
B.what that
C.that
D.all which
传播模型校正时,对均方差和均值的要求分别是多少:()
A.9、0
B.9、8
C.8、0
D.8、9