查询词典 efficiency factor

Diffractive efficiency of Fresnel lens is important factor to evaluate the quality of Fresnel lens.

菲涅耳透镜的衍射效率是评价菲涅耳透镜质量的一个重要指标。

The three-phase full-wave rectifier charging system is composed of 3 silicon-controlled rectifiers and 3 diodes, and a variable resistor is used to adjust the trigger level such that the power factor of generator can be raised, the current harmonic content can be reduced, and the operational efficiency of generator can be improved.

本研究之整流充电系统，为利用三颗矽控整流器和三颗二极体组成的三相全波矽控整流充电系统，利用VR可变电阻调整元件来做触发机能，可使发电机端功率因素提高，降低电流谐波含量，得到稳定的直流链电压，提高发电机的运转效率。

The efficiency of gird source management and task scheduling is an important factor for the success of grid computing.

在网格系统中，如何有效地进行资源管理和任务调度是决定网格计算是否成功的重要因素。

Induction machines ; variable voltage constant frequency ; efficiency ; power factor ; neural network

感应电机；变压恒频；效率；功率因数；神经网络

First, considering the factor of unit gain space and the space limit, the common expression s of multiple views were selected out as the intermediate result, and the algorithm which was used to define the intermediate set was put forward. Then the algorithm of maintaining multiple views with this set was given. At last, the correctness and efficiency were given after the analysis and experiments.

首先，结合单位空间增益、空间限制等因素，选择多个物化视图的公共表达式作为中间结果，并提出了确定中间结果集的具体算法；其次，利用己计算出的中间结果集进行多个视图的维护，给出了具体的维护算法；最后，通过分析和实验证明了该算法正确且效率有显著提高。

As for intrinsic motivation and social factor for reading, the subjects also perform more actively in self-efficiency and class participation.

在阅读动机方面，不论是内在动机或社会因素，学生表现在自我效能和课堂参与方面都有提升。

Results show that: productivity of Chinas service industry is overall increasing and shapes inverse U curve; technical progress is the primary increase factor of service industry's productivity and technical efficiency is the key constraint of service industry's productivity increase in China; regional development of service industry productivity in China is extremely unbalanced and east region has more increase advantage comparing with middle and west region.

研究结果表明，中国服务业的生产率总体上处于增长趋势，并呈现出先增后降的倒U型特征；技术进步是服务业生产率增长的主要因素，而技术效率则成为制约服务业生产率增长的关键原因；服务业生产率的区域发展极不平衡，东部地区具有明显的增长优势，而中西部地区的大多数省份发展滞后或缓慢。

Cotton logistics organizations are substantiality organizations that regard the cotton logistics operation and management as the core. It is an important factor that related to cotton logistics efficiency.

棉花物流组织是以棉花物流运作和管理为核心的实体性组织，是关系棉花物流效率的重要因素。

Efficiency: Contain vegetal sun-blocking essence, completely isolate UVA and UVB, protect skin from dullness and sunburn with water resistant and sweat resistant formula, prolong the sun-blocking effect, powerfully prevent and relieve sunburn, reddish tone, itch, pain, peeling and blain with safe guaiaci lignum factor, effectively protect the entire body, and make skin beautiful under sunlight.

功效：植物防晒成份，充分隔离UVA-UVB，防止肌肤晒黑、晒伤；具有Water-resistant耐水、Sweat-resistant耐汗配方，延长防晒效果；安全抗光敏因子愈创木薁，有效预防并缓解阳光灼伤、红疹、痛痒、脱屑、水疱等现象，令全身得到有效保护，在阳光下放心地尽情展露骄人的肌肤。

To the best of our knowledge, for the efficiency limit of DOEs, published papers either consider only one single factor or consider both phase only and phase quantization together. This is relatively insufficient for the real DOEs, because most of them are phase-only and spatially quantized.

由所知的文献显示，对於绕射元件的绕射效率上限，过去的论文只单独考虑某一因素，或只同时考虑纯相位及相位量化两个因素，或所提出的绕射效率上限过於保守，这对於实际的绕射元件而言，是相当不够的，因它们多数是纯相位且已空间量化的。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。