火箭发动机

A type of reaction propulsion engine to propel rockets in space astreamof positive ions is accelerated to ahighvelocity by an electric field .

推进火箭进入太空的一种反冲力发动机；在电域中正离子作加速运动。

A of reaction propulsion engine to propel rockets in space a stream of positive ions is accelerated to a high velocity by an electric .

推进火箭进入太空的一反冲力发动机；在电域中正离子作加速运动。

A of reaction propulsion engine to propel rockets in space a stream of ions is accelerated to a high velocity by an electric field .

推进火箭进入太空的一反冲力发动机；在电域中正离子作加速运动。

According to the type of jet engine turbine jet can be divided into, stamping jet, pulse jet, rocket plane.

按喷气式发动机的种类可分为涡轮喷气式飞机、冲压喷气式飞机、脉动喷气式飞机、火箭飞机。

Large thrust engine is the key to manned lunar rocket propulsion system.

大推力发动机是载人登月火箭动力系统的关键。

They are, however, very important however if you were using this nozzle to accelerate the flow out of a jet engine or rocket and create propulsion, or if you just want to understand how high-speed flows work.

但是，它们非常重要，但如果您使用这喷嘴加速流出来的一个喷气发动机或火箭推进和创造，或者如果您只是想了解如何在超高速流动的工作。

In this paper, the theory of minitype Solid Ducted Rocket with shot is researche nd analyzed.

本文研究和分析了炮射小型固体火箭冲压发动机的工作原理。

Based on the N-S equation, standard κ-ε turbulence model, the FLUENT was used to simulate the kind of air inlet of solid ducted rocket.

基于RANS平均的N-S方程、标准κ-ε双方程湍流模型，利用FLUENT软件对某型固体火箭冲压发动机进气道内外流场进行了三维数值模拟。

Today Vega consists of three solid motor stages and its AVUM fourth stage that uses storable propellant.

目前的"织女星"火箭由三个固体发动机级段组成，它的AVUM第四级使用易贮存的推进剂。

An experimental unchoked ducted rocket motor system is designed in this paper, and some experiments are finished.

本文还完成了实验小型非壅塞固体火箭冲压发动机设计，并进行了实验研究。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新