导线测量时相邻边长比例不能小于1/3。()
参考答案:对
I don't want to read this book. There is _______ in it. [ ]
A. something interesting
B. nothing interesting
C. interesting something
D. interesting nothing
同一温度下,过饱和溶液与饱和溶液的浓度差称为过饱和度。