推进的

Experiments that use single-pulse laser to ablate small steel ball in atmosphere were conducted.

采用单脉冲激光进行了大气环境下激光烧蚀小钢珠实验，得到其推进效应参数，发现并分析了钢珠在不同放置位置时不同的物理现象；为了得到一系列定量实验数据，采用自行研制的激光冲量靶仪进行了单脉冲激光烧蚀推进效应实验测试，得到了不同环境条件、不同靶材料的激光推进效应参数，并与国外的实验数据以及数值计算结果进行了比较。

The electrical propulsion system proposed in this article utilizes the advantages of PMSM such as small volume, light weight, small moment of inertia and high effectiveness of operation, high reliability, against the DC electric propulsion system"s defectiveness on structure and asynchronous electric propulsion system"s power defectiveness and inefficiency.

本文设计的PMSM电力推进系统利用了永磁同步电动机体积小、重量轻、转动惯量小、运行效率高、可靠性高等优点，弥补了直流电力推进系统在结构上的固有缺陷以及异步电力推进系统功率因素低和效率低的缺陷。

A new bionics propulsion equipment—fishlike flexible tail fin propulsion equipment is brought forward,because there are some problems in present thrusters,such as big noise,low propulsion efficiency in shallow water and evident wake.

本文针对现有船用螺旋桨、泵喷等常规推进器存在噪音大、浅水中船舶推进效率不高以及尾迹明显等缺点，提出一种新型仿生推进装置—仿鱼尾柔性尾鳍推进装置，并据此展开了对单翼板柔性尾鳍和双翼板柔性尾鳍模型的计算和实验研究，本文工作属于鱼类生物流体力学、机械学、材料学和控制技术等多学科交叉的一个新兴研究领域。

At present, the research of ship electric propulsion system is still at the starting stage in China.

目前国内对船舶电力推进系统的研究还处于起步阶段，深入研究船舶电力推进系统的建模和仿真，可以促进我国船舶电力推进系统研究的快速发展。

It's approved that thrust speed and press can be controlled well and truly by the experimental data.

结合实验数据，结果表明，所设计的推进液压系统能较好的对推进速度和推进压力进行控制，达到了预定的要求。

Underwater propulsor that imitates fishes' swimming motions (Anguilliform, Carangiform, Thunniform, etc.) by electromechanical structures or smart materials (shape memory alloy, artificial muscle) is a new type underwater propulsor.

仿鱼水下推进器即利用鱼类的游动推进机理（如身体波动式、鲹科模式、鲹科加新月形尾鳍模式等），通过机械、电子结构或功能材料（形状记忆合金、人造合成肌肉等）来模拟鱼类的游动推进动作，从而实现水下机器人和水下潜器运动的推进装置。

The successful realization and smoothly development of Chinese modernization depends on the realization of sinification of Marxism, which depends on the realization and smoothly development of Chinese modernization.

中国现代化的成功实现和顺利发展有赖于做到和推进马克思主义中国化，而马克思主义中国化的成功实现和顺利推进又依赖于做到并从实质上不断推进中国的现代化。

Experiments were applied with variable numbers of joined federates and variable length of time advancing step. Major factors that affecting time advancing efficiency of HLA compatible distributed simulation system was concluded based on the comparison and analysis of the experiment results.

通过不同盟员个数和不同仿真推进时间步长下系统推进效率的实验分析，得出限制仿真系统推进效率的主要因素，并结合航天任务物理模型的特点，设计了一种改进的组件交互方案。

Based on water balance model, the change of figure coefficients of infiltration water and surface water storage under border irrigation was analyzed. The power index of movement distance and time has little influence on the figure coefficient of infiltration water in the course of surface water movement, which can be substituted by a stable value.

该文依据水量平衡模型，分析畦灌下渗水形状系数、地表储水形状系数的变化规律，结果表明下渗水形状系数受地表水推进过程中的推进距离和时间的幂指数影响很小，可用一个稳定值代替，由此建立了基于水量平衡原理的畦灌水流推进简化解析模型。

Using the low-thrust propulsion system for the Russian space interceptor as a research object, the mathematical model of the components of the system is employed to analyze the influence of the combustion time lag on the response characteristics of the propulsion system with high-pressure chamber, and to analyze comparatively the computation results of the start and shutdown transients of the lowthrust propulsion system with high and low chamber pressures.

以俄罗斯空间拦截器用的小推力推进系统为研究对象，利用系统各部件的数学模型，分析了燃烧时滞对高压燃烧室推进系统响应特性的影响，对比了小推力高、低室压推进系统起动、关机过程的计算结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。