A:strange enough; in the hope of
B:strangely enough; in the hope of
C:strange enough; in the hope that
D:strangely enough; in the hope that
下列实数中,是有理数的为( )
用控制变量法,可以研究影响平行板电容器电容的因素(如图).设两极板正对面积为S,极板间的距离为d,静电计指针偏角为θ.实验中,极板所带电荷量不变,若( )
与环境人口容量呈负相关的因素是( )