单级的

Duralumin gasreducer:single stage type diaphragm pressure-reducing structure and Thicken rubber diaphragm are suitable for non- corrosive gas,standard gas, it could ensure the steady output pressure, it hascharacterristics of big scope of application, steady performance and good cost performance.

硬铝气体减压器：单级式膜片减压结构，加厚橡胶膜片，保证输出压力的稳定，适用于非腐蚀性气体、具有适用面广、性能稳定、性价格比高。

With present fuels, scientists agree that a single rocket can not attain escape velocity.

如果采用目前的燃料，科学家们认为单级火箭达不到逃逸速度。

The structure of RIP was presented and the fuzz controller for RIP was designed.

本文介绍了单级旋转倒立摆的构成以及系统结构，并设计了模糊控制器。

The nonperformance requirements for the propulsion system regarding the engine life and reusability, reliability, maintenance, and operability are stated.

阐述了单级人轨运载器对推进系统在重复使用性与寿命、可靠性、安装集成与维修性、可操作性等方面的需求。

Common Stock and Warrants - A single class of common stock, par value $0.01 per share (the "Common Stock"), including sufficient shares to provide for

普通股和认股权证-以单级普通股，票面价值为每股0.01美元，包括足够的股份，为

With the help of a single-stage Roots blower.

与单级罗茨鼓风机的帮助。

Of single-stage pump, the balance of axial thrust of the three main methods

对单级泵来说，平衡轴向推力的方法主要有三种

After 30 years to continue to improve, high-speed single-stage centrifugal blowers with a high degree of reliability, advanced.

经过三十几年来不断改进，单级高速离心式鼓风机具有高度的可靠性、先进性。

Zero-voltage-switching and single-stage power factor correction half-bridge converter is presented in this paper.

本文介绍了一种具备零电压开关特性及功率因数校正功能的单级半桥变换器。

In single stage power factor correction converters, the voltage on the storage capacitor is not controlled, its wide voltage range has detrimental effect on the circuit performance.

中文摘要：在单级功率因数校正变换器中，不能控制储能电容电压，而且电压变化很大降低了电路的性能。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。