上面级

本文简要总结了CZ-2C/FP运载火箭上面级大型碳/环氧复合材料FP组合体的成型和装配工艺。

In this paper , the processing technology and the assembling technology of the CZ-2C / FP Upper Stage Combined Component made of CFRP was introduced briefly .

低温上面级滑行段的推进剂管理（续）

Propellant Management of Cryogenic Upper Stage During Coast ( Continue )

对长二丙改火箭上面级CPKM发动机喷管的高空性能进行了预示。

High altitude performance of CZ-2C / FP upper stage solid rocket motor ( CPKM ) nozzle was predicted .

文中以某上面级固体火箭发动机模态分析为例，利用有限元法、固定界面法和Guyan缩聚法进行自由度缩聚后再进行模态分析，分析结果令人满意。

In this paper , one model of rocket solid engines is analyzed by means of finite element method , fixed interface method and Guyan reduced method to reduce the degree of freedom . The result is satisfactory .

阐述了面向成本的优化设计问题，并将多目标优化概念和方法应用于某运载火箭上面级固体发动机（CPKM）方案设计。

The optimization design of DFC is expounded and the concept and method of multiobjective optimization are used to the upper stage solid rocket motor ( CPKM ) of a kind of launching vehicle .

其次，描述在我国首次进行的火箭上面级热真空试验。

Second , the SD thermal vacuum test completed in China is described .

上面级结构模态试验与分析技术

Modal test and analysis techniques of upper stage structure

液体火箭上面级发动机用超低比转数泵研究

Research on ultra-low-specific-speed rotation pump for upper stage engine

一种新的运载火箭上面级和航天器轻型增压系统

The New Light-Duty Pressurization System for Upper Stage of the Launch Vehicle and Spacecraft

GJB1027A-2005《运载器、上面级、航天器试验要求》修订过程介绍

The Revision of GJB 1027A-2005 Test Requirements for Launch , Upper-Stage , and Space Vehicles

马丁·玛丽埃塔公司研制的一种低温上面级

Cryogenic Upper Stage Developed by Martin Marietta

上面级将有一个更小的发动机，孟说，没有透露更多细节。

The upper stage will have a smaller engine , says Meng , without giving details .

航天任务的进一步发展，对运载火箭上面级提出了更高的要求。

With the further development of space missions , higher requirements on launch vehicle upper stage have been put forward .

多次启动与长时间轨道滑行是国外低温上面级的共同特点，间断式推力控制目前是基本的推进剂管理方法。

Long coast period and multiple-ignition capability are the common features of foreign cryogenic upper stages . Discontinuous thrust control is the basic management method at present .

本文较详细地介绍了美国马丁·玛丽埃塔公司最近研究设计的一种低温上面级的布局、结构和性能。

This paper describes a short , high-performance cryogenic upper stage designed by Martin Marietta for optimum performance when launched with an attached payload by an NSTS 65K Orbiter .

中方认定是第一种模式，认为是卫星、上面级与火箭产生共振，导致失败；

The Chinese side accepted the first cause , holding that it is the resonance of the satellite and the upper stage with the launch vehicle that caused the failure .

认为采用氦气增压，我国可贮存推进剂上面级火箭发动机氧化剂泵入口压力要求可以大幅度地降低，较大地提高火箭的运载能力。

The author considers that adopting the helium pressurization can decrease greatly the engine pump inlet pressure of the upper stage rocket , and considerably increase transport capacity of the rocket .

论述中国首枚上面级火箭剩余推进剂排放方案论证，排放系统方案选择；

The dumping scheme demonstration and option of the residual propellant of first upper stages rocket of China are discussed . The scheme of dumping system for special use is put forward .

首先，采用热网络分析法进行星/箭热耦合分析，对上面级及卫星各点温度进行预测。

First , the satellite / vehicle thermal couple analysis by thermal network analysis method is introduced and every node temperature of the satellite distributor ( SD ) and the satellite is predicted .

itemNumber列提供了每个商品（或列）的惟一标识，它上面还有列级约束，强制要求提供正确的值（NOTNULL）。

The itemNumber column provides a unique identity for each item ( or row ) and has an attached column-level constraint that enforces a valid value to always be supplied ( NOT NULL ) .

只要上面还有一级，他们就要爬上去。

If there 's a rung above them , they 're going to climb it .

她上楼时，最上面的一级梯级吱嘎作响，这声音把她母亲给吵醒了。

The top stair creaked as she went upstairs and the noise woke up her mother .

上面例子是入门级的WS-Security体系结构。

The example above is an entry-level WS-Security architecture .