Using finite element analysis method, three-dimensional calculation is conducted for force summing on rod in high-inclination well of Liaohe tidal zone oilfield.
应用有限元法对辽河滩海油田大斜度定向井抽油杆柱受力进行了三维计算。
Once a group of elements constitute a system, the system takes on the property that each isolated element itself and their mechanical summing-up do not possess.
一组要素一旦构成一个系统，就产生了各孤立要素及其机械总和所没有的属性。
By setting any particular input distributing and output summing passive element parameters, the arbitrary high-order transfer functions can be realized.
适当设置输入分布和输出求和CC网络元件参数，能实现任意高阶传输函数。
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