Based on the calculation of the characteristic parameters of curved surface dipoles by moment method, the directivities are optimized, the maximum directivities of curved surface dipoles are obtained.
本文在矩量法计算曲面偶极子特性数据的基础上对方向性系数进行了优化，得到了曲面偶极子方向性系数的最大值。
Firstly the thesis introduces computational analysis theory about curved bridge, get a preliminary understanding about the stress characteristic and analytical method for curved girder.
本文首先介绍目前有关于弯梁桥的计算分析理论，对弯梁桥的构造与受力特点以及分析方法有一个初步的认识。
The author expounds the feasibility and characteristic of numeric control turn-milling technology through analysing technical problems of the curved turn milling.
通过分析叶片类曲面加工中存在的工艺问题，论述了采用数控车铣加工技术的可行性及其技术特点。
The paper introduces the operating principle and applied scope of rotary curved screen, and gives the indexes of technical characteristic of some typical curved screens.
介绍回转形弧形筛的工作原理，应用范围及几种典型弧形筛的主要技术特征指标。
Those large curved brick tiles so characteristic of east anglia.
反映古代东盎格里亚独特风格的大型弧线形砖瓦。
The imposition of a curved phase characteristic reduces the peak amplitude of the waveform .
曲线形相位特性减小了波形振幅峰值。
A nonlinear characteristic of taper leaf springs is presented by using the model of curved beam and the principle of virtual force.
通过建立钢板弹簧的曲梁模型，应用虚力原理求解位移，得到了变截面钢板弹簧刚度的几何非线性特性。
There are many bends in mine tunnels, and it is necessary to know wave propagation characteristic in curved tunnels in order to realize wireless mobile communication of a whole mine.
实际矿井隧道有许多弯曲段，为实现全矿井的无线移动通信，需要知道在弯曲隧道中电磁波的传播特性。
According to their developable characteristic, curved surfaces can be divided into developable and undevelopable ones.
按照它们的可展性质，曲面可以分为可展曲面和不可展曲面。
According to their developable characteristic, curved surfaces can be divided into developable and undevelopable ones.
按照它们的可展性质，曲面可以分为可展曲面和不可展曲面。
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