我们不说船的重量为多少千吨，而说船的排水量是多少吨位。
Instead of saying the ship's weight is so many thousand tons, we say its displacement is that many tons.
程序输出包括潜艇的排水量、排水体积、各项重量和容积、动力装置的功率及各主要参数对排水量的影响系数。
The output of computer program consists of displacement, weight and volume item, power of propulsion plant and displacement influence coefficients of main input parameters.
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