如图所示,水平放置的容器内盛着密度为ρ的液体,图中A、B、C三点所受到的液体压强分别是pA= ,pB= ,pC= .
ρgh1,ρgh1,ρg(h1﹣h2)
CW型测长系统是使用单板计算机组成的()化测长装置。
______ the help of man-made satellites, we can know what the weather will be like in the next few days. [ ]
A.Under
B.With
C.Using
D.By