查询词典 cost performance

The placement of arrester is crucially needed in order to optimize the substation performance in term of its reliability and cost effective.

为优化变电站的可靠性与成本效率的体现，避雷器的安置至关重要。

Product characteristics : 1, excellent heat resistance : can adapt to the use of power lines due process overload and short circuit of the high temperature; 2, excellent electrical properties : material for the performance of their higher intensity and volume resistivity of insulation, security is good; 3. excellent corrosion resistance and anti-aging properties : apply to the soil and working environment, long life; 4. excellent flame retardance : difficult combustion; 5, smooth wall formation, the friction coefficient, good wear resistance : in the installation process can greatly reduce the damage to power lines, improve work efficiency; with the traditional asbestos cement pipes, the The product is light weight, good flexibility, earthquake-resistant and differential settlement, and not at the construction site encapsulation pouring concrete; Transport construction is simple, low cost, can greatly shorten the construction period.

产品特点： 1、优良的耐热性能：能适应电力电缆使用过程因过载短路而产生的高温； 2、优良的电气性能：材料自身表现为较高绝缘强度和体积电阻率，安全性好； 3、优异的耐腐蚀性能和抗老化性能：适用于各种土壤和工作环境，使用寿命长； 4、优良的阻燃性能：不易燃烧； 5、内壁光滑平整、摩擦系数小，耐磨性能好：在敷设过程中可大大降低对电缆的损害，提高工作效率；与传统的石棉水泥管相比，产品的重量轻、柔性好、抗震性及抗不均匀沉降好，无须在施工现场包封浇混凝土；运输施工简便，费用低，可大大缩短工期。

The life cycle unit cost and military performance of three types′ material concrete are surveyed in this paper, which are steel fibred concrete, cement concrete and asphaltum concrete.

1引言钢纤维混凝土是在水泥混凝土中均匀乱向地掺入短而不连续的钢纤维，使混凝土变成了以钢纤维为拉结料的复合混凝土材料。

Section 2 concerns factor analysis, in which I present four crucial factors shaping the performance of investment fund, namely: return rate of the fund asset, risk level, cost, and time horizon.

通过回顾投资基金近一个世纪发展过程中所呈现出的特点，归纳出其制度变迁的一些规律和对制度设计的经验教训。

Contrary to asset turnover,profit margin is not a key measure of CEO\'s performance due to the existence of non-profit objectives and lacking of incentive to control the operational cost.

而由于存在非营利目标及缺乏成本控制的激励，利润边际并不是国有控股上市公司考核和决定CEO去留的重要指标。

Air-assisted electrostatic spraying technology is a spray technology which integrated the advantages of air-assisted hydraulic spraying technology and electrostatic spraying technology. It not only atomize the droplet again, but also reduce the droplet drift, increase the deposition and adhesion performance of pesticide in the plant leaves. It can increase the efficiency of chemical using, reduce the pesticide"s waste and environment pollution, make the full use of resource and reduce the cost of production. It can also increase the agriculture sustainable development and reduce the chemical"s threat to the environment.

风送式静电喷雾技术是综合风送式液力喷雾技术与静电喷雾技术优点的一种喷雾技术，它不仅可以二次雾化雾滴，还可以减少雾滴漂移，增加农药在植株叶片上的沉积和附着性能，这对提高农药的利用率，减少药液的浪费和环境污染，使资源得到更合理的利用和降低生产成本，减少化学农药对环境的破坏等具有重要的意义。

This paper mainly exponuds the design of the automatic control of the ball size sorting system,which is a design applies the high performance and low cost micro-programmable conroller FX series PLC of Mitsubishi company.

本设计是研制自动化程度高、工作可靠、稳定的机械手控制系统，使其完成分拣大小球的全自动的机械设计。

Digitization is a trend which can be applied in MRI spectrometer with high performance and low cost.

应用数字化技术是谱仪发展的一个重要方向，它在提高谱仪的性能和功能的同时，还简化了谱仪结构，降低了设计成本。

The olivine lithium iron phosphate (LiFePO4) has the potential to be a new commercial cathode material for lithium ion battery due to its abundant resources,low cost,non-toxicity,environmental benignancy,high theoretical capacity,good thermal stability and excellent cycling performance.

橄榄石型磷酸铁锂正极材料具有原料来源丰富、价廉、无毒、环境友好、理论容量高、热稳定性和循环性能好等特点，有望成为新一代锂离子电池正极材料。

The Blackfin processor and its extends the product are suit to the application which require lower power dissipation, the high performance, the low cost, and the high operation ability and application of quite high audio frequency, video frequency and communication system.

Blackfin处理器及其延伸产品适合在功耗、性能、成本和运算能力等综合要求比较高的音频、视频和通信领域的应用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。