- 系统效率
- system: n. 1.体系，系统；分类法；组织；设备，装置。 2.方 ...
- efficiency: n. 1.功效。 2.效率；效能；实力，能力。 3.【物 ...
- efficiency system: 效率制
- efficiency of biological system: 生物系效率
- efficiency of retrieval system: 检索系统效率
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system efficiency中文什么意思
- 系统效率
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例句与用法
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- The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system , to improve the level of automatization and efficiency and to reduce the consumption of energy . the result of the study also shows that the system of feeding has the properties as followed : fast respone , stable pressure - adjusted characteristic , distinct effect of energy - saving , some improvement of system efficiency
研究结果表明：全液压钻机中应用电液比例技术，可以简化系统组成和操作，提高钻机自动化水平，提高系统效率，降低发热和温升；采用恒压变量泵的给进加压电液比例控制系统调压性能稳定、响应快、节能效果明显。 - The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed , which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system , and simulator program of dynamic and steady condition is established , which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system , a comparison is made between predicted and experimental characteristics , experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion , harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched , which cancelled the low harmonic and improve the system performance
通过对电机的kron变换和对称分量变换，建立了系统较精确的数学模型，编制了系统动态及稳态运行的仿真计算程序分别计算系统的动态和稳态性能。通过对系统的具体参数进行了仿真运算和实验研究，实验和仿真结果进行比较，说明实验和理论较为一致，并从系统效率、转矩脉动及两相逆变器电容的影响等方面与各种逆变器和单相异步电动机组成的变频调速系统加以比较。在此基础上，对两相逆变器供电-异步电动机系统使用谐波抑制pwm控制进行了研究，由于减少了低次谐波，改善了系统性能。 - Finally , the above - mentioned two soft - switching inverter prototypes are made and tested , and the experimental results show the feasibility of circuit topologies , the correctness of theoretical analysis , and the rationality of parameter design . and that , these two circuits can realize the aim of soft - switching , reduce the circuit losses and increase the system efficiency
最后形成了上述两个软开关变频器样机并对其进行了实验，实验结果证明了电路拓扑的可行性、理论分析的正确性以及参数设计的合理性，且这两个电路均能较好地实现软开关，减少了电路损耗，提高了系统的效率。 - The main studing contents include : ( 1 ) the vrv heat pump air condition system ' s system structure , temperature - control characters , operating way and operating range of compressor and system efficiency of low temperature woking condition are analyzed and demonstrated . the results note that the adoption of vrv heat pump air condition system in dalian region is completely viable in technique
主要研究内容包括： ( 1 )针对大连地区的气温状况，就vrv空调系统的系统构成方式、温控特性、压缩机运行方式、运转范围以及低温工况机组效率进行分析论证，论证结果表明大连地区冬季采用vrv热泵空调采暖在技术上是完全可行的。 - The working parameters ( specific enthalpy , entropy , flux of working fluid , reynolds number , etc . ) , the configuration parameters of the main components , such as steam turbine - generator group , evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory
文中以热力学理论为基础，计算了低温余热发电系统的运行参数(比焓、熵、工质流量、雷诺数、管路压力等)和各主要组件如汽轮机-发电机组、蒸发器和ehd冷凝器的结构参数，并计算了系统的效率。