I already introduced, as you see there length, time and mass and we call these the three fundamental quantities in physics.
我已经讲过，长度、时间、质量，它们被称为，三个基本物理量。
The mass deposited on the electrode is directly proportional to the current and (the length of) time.
电极析出物质的质量，与电流的大小和通电时间成正比。
The mass deposited on the electrode is directly proportional to the current and (the length of) time.
电极析出物质的质量，与电流的大小和通电时间成正比。
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