在某一静电场中 任意两点P1和P2之间的电势差决定于___ In an electrostatic field the potentia
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在某一静电场中,任意两点P1和P2之间的电势差决定于___ In an electrostatic field, the potential difference between P1 and P2 at any two points depends on___
A.P1点的位置; the position of point P1;
B.P2点的位置; the location of point P2;
C.P1和P2两点的位置; the positions of P1 and P2;
D.P1和P2两点处的电场强度的大小和方向; the magnitude and direction of the electric field intensity at the points P1 and P2;

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P 1 和 P 2 两点的位置; the positions of P 1 and P 2;
