样机

Sitti's prototype is especially impressive considering researchers didn't know how water skimmers walked on water until last year.

去年研究人员还不知道水上行走机器人如何在水上行走，Sitti的样机特别给他们深刻印象。

Sitti's prototype is e ecially impre ive co idering researchers didn't know how water skimmers walked on water until last year.

去年研究人员还不知道水上行走机器人如何在水上行走，Sitti的样机特别给他们深刻印象。

In late 1971 the Army Air Mobility Research and Development Laboratory awarded Sikorsky a contract for the development of a single-engined research helicopter prototype designed specifically to flight test the company's Advancing Blade Concept rotor system.

在1971年年底的陆军空中机动研究与发展实验室授予西科斯基公司为单一引擎专门研究直升机的飞行试验样机开发合同的公司的推进刀片概念的转子系统。

We need the sample machine sended to Germany, CIF Hamburg harbour. Are you able to do this?

我们需要样机到德国，成本加运费保险，到汉堡，你们能做吗？

That this dissertation is designed is 63A three pole AC Contactor,The base draing lessons from external sames produce design idea and the analysis prototype of a machine being living is geted off ,The magnetic field that the three dimensions finites element baseded on were analysed electromagnetism system inside distributes , and adopts the ANSYS software to the exchange contactor electromagnetic iron to have carried on optimization and design ,Selecing the most splendid design scheme design .

摘 要：本次论文设计的是63A三极交流接触器，在借鉴国外同类产品的设计思想和分析样机的基础下，基于三维有限元分析了电磁系统内部的磁场分布，采用ANSYS软件对交流接触器电磁铁进行了优化设计，选取最优的设计方案进行设计。

The system is on the top rund in the national military aviation domain.

可以相信在原理样机的技术基础上研制成功的工程化产品，将彻底改变目前我国机载通信导航识别系统的结构方式和落后局面，缩短我国在该领域与国外先进国家的差距，在我国军用航空领域属于先进水平。

For the first time, SPAMP technique applied on the locomotive and passenger vehicles is proposed by using both the theoretical modal parameter analysis and the operational modal parameter identification techniques.

本文在铁路客车实测试验的基础上，采用试验测试和样机分析相结合的方法综合研究铁路客车动力学问题，提出适合铁路客车动态特性研究的环境激励下的模态参数辨识方法，建立铁路客车运行特性和运行模态参数的关系，探索这些理论和方法在铁路客车的正确应用。

When it not satisfied to che client, two resolvents was put out, we can change the emluator parameter or functional parts.

以汽车车桥为例，在虚拟样机仿真性能不能满足客户性能需求的情况下，给出了产品结构优化与再配置流程。

The thesis mainly researches on the single phase AC/AC converter in the topologies including AC_Buck and AC_Cuk. Firstly, the operating principles of the two converters are analyzed in detail and the rules of their parameters design are educed; The commutation of their power switches which is the key of these topologies to realize is analyzed in detail and a feasible solution which can be named RCD-Commutation mode is presented and proved effectual by theory analyses and simulation results.

本文首先分析了AC_Buck变换器的变换原理，得出了电路参数设计准则；继而对电路实现的难点即功率管换流问题进行了深入分析，并得出了一种可行的解决方案即RCD换流方案；作为对简单拓扑单相直接AC/AC变换器控制策略的探索，本文以AC_Buck为平台，对电压单闭环瞬时值控制方案进行了研究，在理论分析和仿真研究的基础上设计并制作了一台采用RCD换流、电压单闭环瞬时值控制的AC_Buck变换器原理样机。

Moreover, we mensurate the reactances ofthe experimental motor by the way of direct Joad method, and verify the vaIidity of"electromotive force method ".

文章还运用直接负载法测定出样机在不同负载下的电抗参数，验证了&电势法&的正确性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。