This paper gives two kinds of calculation methods of natural frequency of a mass-even elliptic column which oscillates in miniamplitude on a plane, obtains two formulas of natural frequency.
本文给出了匀质椭圆柱体在平面上作无滑动的微幅摆动之固有频率的两种计算方法，得到两个固有频率的计算公式。
At last, it is suggested that more than two kinds of the aseismic calculation methods are applied to the complicated buildings.
最后，提出了运用两种以上的抗震计算方法对较为复杂的建筑物进行计算。
And comparing the calculation result of two kinds of methods, error margin is not very all within the scope of acceptable.
并且对于两种方法的计算结果进行了比较，误差不大，都在可以接受的范围内。
Find two kinds of methods for solving the calculation result differences.
发现两种求解办法的计较成果存在差别。
The existing two kinds of 1-dimensional centrifugal pump impeller hydraulic design methods have short comes of either large calculation or complicated boundary lines.
现有的两类一元理论离心泵叶轮水力设计方法存在试凑性工作量大或盖板形状不为简单曲线的缺陷。
Three methods for the efficiency calculation of nozzles were shown, and the test results of two different kinds of nozzles were dealt with using this methods.
三种不同的喷管效率计算方法对两种喷管的实验结果进行了处理，得到不同的性能曲线，分析比较两种喷管在不同高度下的效率。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
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