英汉例句

• it is very important to describe the performance curves of centrifugal compressor by mathematical model accurately for the automatization design and management of gas transmission trunk line.

  对于输气干线的自动化设计和管理来说，用準确的数学模型描述离心压缩机的特性曲线至关重要。

• based on the theory of the design of the optimum quantizer , the gaussian-distributed sources are optimized with scalar quantization to obtain the performance curves of gaussian source.

  在对量化器优化设计的理论分析的基础上，以高斯分布特征的信源进行了最优标量量化，并得到了性能曲线，与香农率失真定理指出的理论下界进行了对比。

• comparing of performance curves and cavitation property with common centrifugal pump of same specific speed was presented in this paper.

  同时，针对旋流泵的性能曲线和汽蚀问题与同比转数普通离心泵进行了对比分析。

• analyzing the performance curves of pumps and network in a variable flow pumping system, concluding the influence factors of energy saving and the optimal ranges of variable frequency drive (vfd).

  通过分析变频水泵及管网系统在变工况下的特性曲线，得出影响水泵变频节能效果的主要因素和变频调速的适用范围。

• by analyzing performance curves of column, can quickly finds out the bottlenecks of the bubble cap column, and guides the actual industry production.

  通过分析泡罩塔负荷性能图，能快速找出现有泡罩塔的瓶颈，指导实际泡罩塔稳定生产与操作。

• on the operation performance curves of turbine, it is a simple thing to draw curve of efficiency.

  绘制水轮机综合运转特性曲线是水轮机选型计算中必不可少的一步。

• therefore, the change pump performance curves become the main form of energy-saving pumps.

  因此，改变水泵性能曲线成为水泵节能的主要方式。

• a method for calculating the efficiency of solar still and a view of using performance curves for rating thermal performance of solar stills are presented.

  讨论了计算蒸馏器热效率的方法，提出用蒸馏器性能曲线评价蒸馏器的热工性能。

• drawing performance curves with measured data is an important step of checking the quality of aircraft engines.

  绘制性能曲线是检验航空发动机是否合格的重要工作步骤。

• with a widely used method for actual superheat temperature correction, the inverter air-conditioner compressor model is built up on the basis of performance curves fitting.

  在图形法拟合的基础上，借鑒成熟的对实际过热度进行修正的方法，建立了变频空调器压缩机模型。

• the energy-saving principle and effect of different regulation modes are compared based on the study of their performance curves and pipeline characteristic curves before and after retrofitting.

  基于对风机泵类高压变频改造前后不同调节方式以及不同调节方式的性能曲线、管路特性曲线的研究，比较分析了不同调节方式的节能原理、对节能的影响及节能效果。

• its performance curves and non dimension performance are presented.

  给出了该浮体模型的性能曲线及其无因次特性。

• the difficulty of building up such model is how to get the precise off-design performance curves of components.

  其难点之一在于如何获得準确的部件变工况性能曲线。

• and the analysis of these two performance curves can provide an important theoretical basis for the design and improvement of integrated avionics system.

  在航空电子综合化系统的设计过程中，总线系统的性能指标与整个航电系统的总体指标有着密切的关系。

• when the segments for trapezia method become very small, the approximate performance curves perfectly agree with the theoretical curves.

  在较小的分段数下，采用梯形法的性能曲线与理论曲线吻合。

• it provides a method which uses high-resolution graphic on micro computer to analyse various dynamic performance curves of cylinder cushion device.

  本方法用于分析各种液压缓沖装置动态特性时，只要列出数学模型，不用求解复杂的微分方程就能直接画出特性曲线；

• the performance curves are important for evaluation of a compressor performance and significant for research on trends and formation mechanism.

  性能曲线是评价压气机性能的重要指标，对其变化趋势及形成机理的研究具有重要意义。

• the general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.

  介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。

• compared with the conventional axial compressor, the performance curves of the ram-rotor are vertical to the axis of mass flow rate.

  与常规轴流压气机不同，旋转沖压压缩转子的特性曲线垂直于流量坐标轴；

• in this way, performance curves are approximated with genetic algorithm in which quantities of motion and rotation are coded.

  通过对平移和旋转量进行编码，采用遗传算法实现了性能曲线逼近。

• point c on a minimum speed at the pump performance curves efficient area of extreme left point.

  c点就成为最小转速时水泵性能曲线高效区的左端点。

• according to national standards, tests of suction performance of axial-flow fan and centrifugal fan in series were completed, and performance curves of different fans in series were gained.

  对轴流风机与离心风机串联吸气性能进行了试验，得到了两种异类风机串联工作时的吸气性能曲线。

• the performance curves directly reflect the running status of reciprocating pump and its features; the traditional drawing method has the characteristics, a great deal of work and low efficiency.

  性能曲线可直观地反映往复泵运行工况及其特性，传统的绘制方法工作量大，且效率低。

• analyzed and compared the correlative expressions of the performance curves of the bubble cap column.

  分析比较了泡罩塔负荷性能图相关关联式。

• in this paper, the performance curves of axial-flow fans and centrifugal fans are analysed and compared, and the real-time simulation model of axial-flow fans is established.

  对轴流风机和离心风机的运行特性进行了详细的分析和比较，首次提出了轴流风机的实时仿真模型。

• the numerical methods on engine. performance curves were analysed, then several kinds of mathematical models on engine performance curves were developed in this paper.

  本文对内燃机性能特性曲线的数值方法进行了分析，提出了适合内燃机性能特性曲线处理的数学模型及其处理方法。