1、

When the geostationary satellite orbit deviates from equatorial plane, the day-drift trace of it's sub-satellite point ( or apparent place) is a "8"-shape pattern symmetrical about the stationary position.

轨道偏离赤道平面的同步卫星,其星下点(或视位置)的口漂移轨迹址对称于静止位置的8字形。

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2、

Axis symmetrical radial vibration of a thin annular plate with tapered section plane is studied and the equivalent circuit is derived by using electromechanical analogy method. Based on the circuit, the resonant frequency equation are obtained.

基于机电类比原理,给出了锥形剖面薄圆环形聚能器的轴对称径向振动等效电路,由等效电路得出了其径向共振频率方程。

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3、

of, relating to, or situated in or near the plane thatdivides a bilaterally symmetrical animal into right and left halves; mesial.

正中面的,正中面内的(位于)把左右对称的动物分成左右两半的平面上(或附近)的;

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4、

a half of a symmetrical, approximately spherical object as divided by a plane of symmetry.

一个对称的、近似球体的物体的一半,如被对称面分开者

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5、

curved surface and curve regarding symmetrical curved surface and symmetrical curve of point and plane

曲面与曲线分别关于点、平面的对称曲面和对称曲线

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6、

The suggested design procedure is implemented for symmetrical waveguide filters with cross couplings in the E-plane.

被建议的设计程序为对称的波导过滤器被电子飞机的交叉联结所实现.

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7、

A property of curvilinear integral about coordinate of generalized odd and even function in the symmetrical curve about plane, line and point is discussed, with the property of complex integration of odd and even function in the symmetrical curve about origin also studied.

论述了关于面、线、点对称的曲线上的广义奇、偶函数的第二类曲线积分及关于原点对称的曲线上的奇、偶复变函数积分的一个性质。

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