The author considers the swaying disturbance ' s power for the first time when the draught of a ship is not equal to the height of gravitational center of the ship in analyzing exciting force affecting the performance of tank 在对影响水舱性能的扰动力的分析中，首次考虑了船舶吃水和重心高度不相等时，横荡干扰力所作的功。
