Using the mean draft, heel Angle and trim Angle as the design variables, it need not calculate tangent values of the angles and is more convenient for application.
设计变量直接取吃水、横倾角和纵倾角，不必预先计算倾角的正切值，使用方便。
From this method a simple formula is derived. This formula be used to calculate the magnitude and trim Angle of the balancer.
由这一方法导出了平面杆机构惯性力部分平衡配重大小及方位角的简单计算公式。
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