South Korea has sent 10 satellites into space using launch vehicles from other countries.
韩国已经使用来自其他国家的运载火箭把10颗卫星送入太空。
As such, launch vehicles that are reusable (like the space shuttles) are key to keeping costs under control.
像这样,能够反复利用的运载火箭(正如航天飞机)就成为控制成本的关键。
It used to be that commercial space transportation was almost exclusively about launching communication satellites into geosynchronous orbit using expendable launch vehicles.
过去,商业太空运输几乎专指用一次性运载火箭将通信卫星送入地球同步轨道。
We will develop and launch medium-lift launch vehicles which are non-toxic and pollution-free, improve the new-generation launch vehicle family, and enhance their reliability.
研制发射无毒无污染中型运载火箭,完善新一代运载火箭型谱,进一步提升可靠性。
The Saturn I launch vehicles consisted of two types or blocks.
“土星Ⅰ”发射飞行器包括两类或两个组合。
The Saturn family of launch vehicles falls into three types or groups.
“土星族”发射飞行器可以分成为三类或三组。
Previously, satellites and launch vehicles were purchased only after contracts were signed.
在以前,卫星和运载工具只在签订合同之后才会进入购买流程。
The paper researched the rapid design method for ascent trajectory of multi-stage solid launch vehicles.
针对机动发射固体运载火箭开展上升段弹道快速设计方法研究。
System design concepts for both of the launch vehicles are described and their development status is presented.
详细介绍了两种火箭的设计方案;并对火箭的研制进展进行了描述。
The status and technical advances of liquid propulsion systems of Changzheng launch vehicles are briefly presented.
简要介绍长征运载火箭液体推进系统的现状和技术进展。
Thermal protection system (TPS) is one of the key technologies for space vehicle, especially for reusable launch vehicles (RLV).
热防护系统是航天飞行器 ,特别是重复使用运载器的关键技术之一。
An effective way to design and optimize a series of launch vehicles is building up a comprehensive performance optimization system.
解决面向系列化要求的运载火箭性能优化设计问题的一个有效途径是建立综合性的性能优化软件系统。
Clamp band is the common joint separate equipment between the launch vehicle and the satellite in the international main launch vehicles.
包带锁紧装置是世界上各主要运载火箭大都采用的星箭连接和分离机构。
By comparison, today's biggest commercial launch vehicles, such as the Ariane 5 or the Delta IV Heavy, can put just over 20 tonnes in LEO.
相比之下,今天的最大的商业运载火箭,如阿丽亚娜五号或三角洲四号重型,在近地轨道只能运载20多公吨。
High reliability, high safety and high quality to ensure the absolute safety of astronauts are the upmost requirements to manned launch vehicles.
高可靠、高安全和高质量,确保航天员绝对安全,是对载人运载火箭的最主要要求。
From the architect. The architecture and design of the new terminal reflect the space-related status of the city where space launch vehicles are constructed.
来自事务所的描述。新候机楼的建筑和设计反映了萨马拉州与太空相关的地位,很多太空运载火箭在这座城市建造。
CALT signed 5 launch service contracts in 1994. According to the contracts 11 satellites will be launched by Long March launch vehicles until the next century.
1994年取得了五个发射外星的合同,按照合同规定将发射11颗国外卫星,其发射活动将延续到下世纪初。
The need for reducing the cost of injecting payload mass into orbit is the main stimulating factor for further modifications and creation of new launch vehicles.
降低将有效载荷送入轨道的成本的需求是刺激现有运载火箭进一步改型和新型运载火箭研制的主要因素。
It can be used not only in automation test control system of diversified weapons and launch vehicles, but also in other industrial automatic test and control system.
它不但适用于航天领域各种武器及运载工具的自动化测控系统,也适用于其它工业自动化测控领域。
This paper attempts to analyse the tendency to develop liquid propellant rocket propulsion technology according to the requirements o launch vehicles and spacecrafts.
本文试图根据运载火箭和航天器的需要来分析液体火箭推进技术的发展趋势。
Subjected to high axial compressive load and internal pressure, the stiffened waffle cylindrical tankage forms part of the primary structure of missiles and launch vehicles.
承受高轴压、内压作用的网格圆柱壳箱体,是构成导弹和运载火箭的主要组成部分。
China initially entered the commercial launch market in the 1990s, and once enjoyed a 9 percent share of the global business thanks to the reliability of its launch vehicles.
中国于1990年进入商业发射市场,依靠可靠的运载火箭,一度占有了9%的全球商业发射市场。
This article studies the six-degree-of-freedom trajectory simulation of small multiple stage solid launch vehicles with control systems using lateral jet thrusters and grid fins.
针对控制系统采用侧喷流发动机和栅格舵的新型小型多级固体运载火箭开展六自由度弹道仿真研究。
China will conduct research into the technologies for low-cost launch vehicles, new upper stage and the reusable space transportation system between the earth and low-earth orbit.
开展低成本运载火箭、新型上面级、天地往返可重复使用运输系统等技术研究。
We designed the flight program for solid launch vehicles, resolved the control parameter of ascent trajectory with modified Newton iterative method, and deduced the iterative formula.
设计了固体运载火箭上升段飞行程序,应用修正牛顿迭代法求解上升段弹道控制参数,推导了迭代算法公式。
China has independently developed the "Long-March" launch vehicles, and now ranks among the world "s most advanced countries in launch vehicle fields, which made eye-catching achievements."
我国依靠自己的力量独立自主地研制了长征火箭,在航天运载领域跻身于世界先进行列,取得了举世瞩目的成就。
China has independently developed the "Long-March" launch vehicles, and now ranks among the world "s most advanced countries in launch vehicle fields, which made eye-catching achievements."
我国依靠自己的力量独立自主地研制了长征火箭,在航天运载领域跻身于世界先进行列,取得了举世瞩目的成就。
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