试验研究表明在相同重量下，设计合理的复合材料对称元件可以比金属元件吸收更多的冲击能量。
Most experimental research had demonstrated that well-designed composite symmetrical elements could absorb more impact energy than metal elements with same weight.
利用建立在对称分量解耦-补偿理论基础上的电力元件模型，提出了适用于谐波潮流计算的网络模型和算法。
By using the power element models established on symmetrical component decoupling - compensation theory, a network model with algorithm suitable for harmonic flow calculation is developed.
梯度折射率球透镜是一种折射率以球心为对称中心，并沿球半径方向分布的球型光学元件。
GRIN ball lens is a spherical optical element with refractive index is symmetric around a spherical point and varies in spherical radius direction.
为了更确切地描述实际系统中的混沌现象，提出了一种变形蔡氏电路，它含有一个不对称非线性阻性元件。
In order to describe the actual chaotic systems exactly, a simple modified Chua s circuit is presented, which includes an asymmetric nonlinear resistive element.
提出了一种新型的不对称半桥零电流准谐振型逆变电源，给出了谐振元件的计算方法。
In this paper, a novel ZCS quasi-resonant inverter power with asymmetrical half-bridge topology is presented, and the calculating method of resonant elements is given.
本文中提出了一种基于对称性算子综合波导元件的新方法。
A new method for synthesis of waveguide devices on the basis of symmetry operators is presented.
对称粘贴在梁结构上下表面上的压电元件在外部电场的作用下能使梁结构发生弯曲变形。
The rectangular beam with dual surface bonded piezoelectric actuators can achieve a pure bending deformation by an external electric field.
在大多数文献中，主要用它来设计一维衍射光学元件和具有旋转对称结构的二维衍射光学元件，故在此称之为一维杨顾算法。
In almost all literatures, it is mainly used to compute one-dimensional diffractive optical elements and two-dimensional diffractive optical elements with rotationally symmetric structures.
本文研究的一分为二功率分配元件是无耗偶对称互易网络。
A study has been made of the power divider which is a lossless even symmetric and reciprocal network.
基于以电容器为直流侧储能元件STATCOM在系统不对称情况下的数学模型，详细分析和解释了STATCOM在系统不对称条件下的运行特点、谐振现象以及参数对STATCOM的性能影响。
The model can be used to research the STATCOM behavior to provide theoretical guidance for optimal parameter design and to enhance STATCOM viability for asymmetric power systems.
三相负荷不平衡以及系统元件三相参数不对称都会引起电力系统三相不平衡。
The definition and national standard of three-phase unbalance in power system were expatiated.
在研制过程中采取的主要技术措施是：改进晶闸管触发电路，消除了触发脉冲相位的不对称；采用霍尔元件作为电流检测元件，能检测出变压器的实际电流值；
In the developing course, the main technique measures are: improving the trigger circuit of thyristors to eliminate the unsymmetry of the trigger pulse phase;
在研制过程中采取的主要技术措施是：改进晶闸管触发电路，消除了触发脉冲相位的不对称；采用霍尔元件作为电流检测元件，能检测出变压器的实际电流值；
In the developing course, the main technique measures are: improving the trigger circuit of thyristors to eliminate the unsymmetry of the trigger pulse phase;
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