As for the space shuttle main engines, those are now free.
航天飞机的主发动机现在是免费的。
It is mainly used on board for starting main engines.
在船上主要用于启动主机。
It is mainly used on board ship for staring main engines.
在船上主要用于启动主机。
They could power electrically driven wheels, letting an aircraft taxi without using its main engines.
它们可以给电力驱动的起落架轮子动力，让飞机不用主引擎就能在地面滑行。
They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.
新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。
They know that they are China's main engines of growth in a period of economic transition, which gives them considerable power.
他们清楚，他们才是中国经济转型阶段的主要增长引擎，这令他们拥有了相当大的影响力。
The sensor system is one of several that protect the shuttle's main engines by triggering their shut down if fuel runs unexpectedly low.
该传感器系统是数个保护航天飞机主引擎的系统之一，如果燃料过低，则该系统将触发关机。
Moreover, construction has long been one of the economy's main engines, accounting for as much as a quarter of GDP growth until recently.
而且建筑行业一直是国家经济增长的主要引擎之一，直到最近仍占GDP增长的四分之一。
This vessel is made of steel, catamaran, fore raked stem, transom stern, round bilge, fore raised deck, single open deck, double main engines, double propellers, double rudders.
本船为钢质双体船，前倾艏柱，方艉圆舭，艏升高甲板单层露天甲板，双主机双螺旋桨双舵。
A major exception, the space shuttle orbiter, USES three onboard liquid-fuel main engines supplied by a disposable external tank and a pair of solid-fuel boosters to reach space.
一个主要的例外是航天飞机轨道飞行器，它使用三个随之携带的液体燃料的重要引擎到达宇宙，而这又是由一个可任意使用的外部箱和一对固体燃料后援器来供给的。
One of the main USES of physics engines (in particular, the real-time and low-precision variety) is in the development of game run times.
物理引擎(尤其是实时和低精度的)的一个重要应用是游戏运行时的开发。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
Inspections of the Polar Sea's main diesel engines revealed excessive wear in 33 cylinder assemblies.
在对“极地海洋”号的主要柴油发动机的检查中发现，该船有33个汽缸组件被过度磨损。
Both Google and Bing are currently working on how to effectively integrate tweets, and - in Bing's case, Facebook updates too - into their main search engines, without devaluing their product.
Google和Bing目前都致力于如何有效将Tweet—在Bing中，还包括Facebook更新——集成到他们的主搜索引擎中，而不使他们的产品贬值。
Wu says the company has embarked on two main areas for its contingency planning: finding a backup map provider (it currently uses Google) and collaborating with smaller search engines in the country.
吴皓表示该公司已经采取了两方面的应急方案：其一，寻找一个后备的地图供应商（该公司目前使用Google的地图功能）；其二，与国内的一些小型搜索引擎合作。
Site Map of the three major factors: the text, links, key words, are extremely beneficial to the search engines crawl the main page content.
网站地图的三大因素：文本、连结、关键词，都极其有利于搜寻引擎抓取主要页面内容。
Main products: automobiles, motorcycles, ships camshaft engines, pumps camshaft and new dry cement clinker production line conveyor trough Iron and Steel Castings and other.
主要产品有：汽车、摩托车、船舶发动机凸轮轴，油泵凸轮轴及新型干法水泥生产线的熟料槽式输送机及铸钢件铸铁件等。
Through the valve timing calculation for CA15 and EQ6100 engines, some main factors influencing the valve timing are analyzed.
通过对CA15和EQ 6100型发动机配气相位的计算，分析了影响配气相位的主要因素。
Carburetors for automobile engines usually contained a storage chamber for liquid fuel, a choke, an idling jet, a main jet, an airflow restriction, and an accelerator pump.
汽车发动机用的化油器的组成通常包括燃油室、阻风门、怠速量孔、主量孔、空气节流喉管和加速泵。
The structures and main features of a multi-function ATS type ignition test system for gasoline engines are introduced and its dynamic energy test software is also illustrated.
介绍了一种多功能ats型汽油机点火测试系统的构成及主要特性，对其动态能量测试软件进行了阐述。
In this paper, the possibility to diagnose the wear condition of the main moving parts of motorcycle engines is discussed.
利用振动分析技术判断摩托车发动机主要运动件磨损状况。
Li Guangzhou speed motorcycle Parts Co., Ltd. in Guangzhou Baiyun District Fuxing motorcycle, Main: Qingqi and Suzuki motorcycles and engines, Qingqi Suzuki series and original accessories.
广州骊速机车部件有限公司位于广州白云区福星摩配，主营：轻骑及铃木摩托车和发动机、轻骑及铃木系列原厂配件。
Our 7 main fields of applications are: aero space, railway, hydraulics, turbines, turbocharger, wind turbine, diesel and gas engines.
我们的7大主要应用领域包括：航空，铁路，液压，涡轮机，涡轮增压器，风力涡轮机，柴油机和汽油机。
Step 5 - Rendering engine and Scale. On the upper main menu you can see drop down menu with available render engines.
第五步——渲染引擎和规模。在主菜单上部你会看到可使用的渲染引擎下拉菜单。
Project Background: the inlet and outlet valve seats of auto engine are main components of various auto engines and internal auto manufacturers import the product mostly.
项目建设背景：汽车发动机进排气阀座是各种汽车发动机的主要部件，目前该产品国内汽车生产厂家大部分从国外进口。
The foundations of shaft bearings of the main engine and aux engines shall be sufficient strength in consider easy for draining, cleaning and maintenance.
主辅机的轴承底座应该具有足够的强度，同时需考虑便于排水、清扫及维护。
This article discusses the use of the main methods of creating a document would platoon rapid document search engines.
本文主要论述了使用倒排文件的方法建立一个文件快速搜索引擎。
This article discusses the use of the main methods of creating a document would platoon rapid document search engines.
本文主要论述了使用倒排文件的方法建立一个文件快速搜索引擎。
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