为了达到天线电性能指标要求，选用双层微带贴片并两点馈电的层叠结构。
Two piece of microstrip antennas are combined so as to the index of the antenna to be satisfied.
本文介绍了超低速、宽高速、高精度电液伺服马达的性能指标、结构特点、设计方法和试验研究。
This paper describes performance indexes, structure features, design method and experimental investigation of electrohydraulic servo motor with super-low-speed, wide speed control and high precision.
根据车辆动力性能指标要求，对轮式车辆电驱动系统进行了参数匹配设计。
The parameter value of the electric driving system is chosen according to the desired dynamic performance of Wheeled Vehicle.
航电系统的信息处理能力、实时性、可靠性、重构能力以及系统成本，成为评价一个系统优劣的主要性能指标。
So we can regard information processing ability, system's real-time, dependability, reconfiguration and system's cost as the main performance indexes for evaluating the integrated avionics.
天线反射面的表面精度是主要技术性能指标之一，它直接影响着天线的电性能。
The surface precision is one of the main technique standards for reflector antennas, which influences the electric performance of antennas directly.
通过对综合航电系统数据总线的性能指标分析，以达到优化总线传输系统的目的。
The purpose is optimizing bus transmission system by the analysis of integrated avionics system data bus capability parameter.
电参量测量精度和响应时间是微机电量变送器两个重要的性能指标。
The measuring precision and response time of electrical parameters is two important characteristic indexes of the electrical quantity transducer.
并用此测试方案对动态心电的性能指标进行测试。测试方法简单，成本低。
We test the portable electrocardiograph with this method and circuit the method of testing is simple, with low costs.
从高频电刀的原理入手，分析了高频电刀安全控制的要求，并对其安全性能指标及其检定方法作了介绍。
This paper describes the basic principle and the safety control requirements of a high-frequency electric knife, and then introduces the verification method of the safety control targets.
高速开关电磁阀在电磁控制系统中是一种结构简单、易于实现计算机控制的关键控制元件，它的性能指标对整个电液系统有很大的影响。
The high-speed switch electromagnetic valve is a key equipment in the electromagnetic control system, whose performance will influence the whole electromagnetic control system greatly.
对于铁电阴极材料，电流发射密度是其关键性能指标。
For the ferroelectric cathode materials, the higher the electron emission density is, and the higher the electron energy is.
给出了现代实用型原子钟的性能指标比较表，和用现代无线电手段传递、比对时频标准信号达到的指标。
The comparison table of modern practical atom clock's performance index is given. The index of transferring and comparing standard time-frequency signal by modern radio means is also listed.
对产品的机械性能和电性能进行了测试，并对断口进行了扫描电镜的观察。结果表明，双金属的结合性能良好，各项性能指标均达到相关标准。
By the observation of SEM and the test of mechanical property, the properties of aluminum-clad steel wire produced is in accord with the standard ASTM.
对产品的机械性能和电性能进行了测试，并对断口进行了扫描电镜的观察。结果表明，双金属的结合性能良好，各项性能指标均达到相关标准。
By the observation of SEM and the test of mechanical property, the properties of aluminum-clad steel wire produced is in accord with the standard ASTM.
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