Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space.
《空间政策指令3》为美国制定了一般性指南，以减轻空间碎片的影响以及跟踪和管理太空交通。
Agencies and companies throughout the world are working on developing technology that would dispose of or capture space debris before it causes serious damage.
世界各地的机构和公司都在致力于开发一种技术，可以在太空垃圾造成严重损害之前将其处理或捕获。
The greatest concern the authors raise is space debris—pieces of "junk" that orbit the earth, with the potential to cause serious damage if they collide with operational units, including the ISS.
作者提出的最大担忧是太空碎片，即环绕地球的“垃圾”碎片，如果它们与包括国际空间站在内的运行体相撞，将有可能造成严重损害。
The greatest concern the authors raise is space debris-pieces of "junk" that orbit the earth, with the potential to cause serious damage if they collide with operational units, including the ISS.
两位作者提出的最大担忧是太空垃圾——环绕地球运行的“垃圾”碎片，如果它们与包括国际空间站在内的运行单位相撞，可能会造成严重损害。
It will have a lifespan of about 15 years, enough time to make a significant dent in our space debris problem.
太空舱的预期寿命约为15年，有足够的时间大大削减空间垃圾问题。
Caption: Artwork showing space debris in low and geostationary Earth orbit.
描述：这张作品显示了近地轨道和地球同步轨道上的太空碎片。
China will improve the standardization system for space debris, near-earth objects and space climate.
完善空间碎片、近地小天体和空间天气相关标准规范体系。
The upper stage of a launch vehicle accomplishing its mission becomes a serious source of space debris.
完成了有效载荷发送任务之后的运载火箭末级是最具有威胁性的空间碎片源。
The testing of outer space weapons in the low Earth orbits would aggravate the already acute problem of "space debris".
在近地轨道试验外空武器，将加剧业已严重的“空间碎片”问题。
To seize the space debris, the mechanical arm need to lock the concrete goal, but in space, debris is changing position.
要抓住太空碎片，这只机械手臂需要锁定具体目标，但在太空中，碎片是不断变换位置的。
Skin of spacecraft is usually considered as the most basic shield structure against hypervelocity impact of space debris.
航天器的蒙皮是抵御空间碎片超高速撞击的最基本防护结构。
Unfortunately, these provisions cannot effectively solve the problem of pollution of space environment, the space debris in particular.
但是这些条文并不能有效解决空间环境问题，特别是空间碎片带来的环境问题。
With the increase of the human aerospace activities, space debris environment is seriously threatening in-orbit spacecraft safe operation.
随着航天活动的开展，空间碎片环境严重地威胁着在轨航天器的安全运行。
He said they had voiced worries about dangerous space debris and escalating military rivalry in space, but said such fears were groundless.
他说这些国家担心太空碎片会有危险以及太空军事竞争升级，但是他说这些担心毫无根据。
Where space debris or radioactive or chemical pollution has resulted, international liability for space environmental damage is established.
只要空间活动产生了空间碎片或放射性、化学性污染，就产生空间活动主体的国际责任。
While most meteorites are natural in origin, on occasion manmade space debris can reenter the atmosphere and also become a meteor or even a meteorite!
尽管大多数陨石都是天然形成的，但也有少数人造天体会落入大气层，变成流星，甚至是“陨石”！
The hypervelocity impact characteristics of thin plate and medium thickness plate are the important basic for design of space debris shield structure.
薄板和中厚板的超高速撞击特性是空间碎片防护结构设计的重要基础。
Exploration of space debris is necessary to ensure space activities safety, such as manned space, lunar exploration and application of satellite, etc.
为保障我国载人航天、探月工程及应用卫星等航天活动安全，对空间碎片的探测较为迫切。
The impact about 850km (530 miles) above Earth created a huge field of space debris, contributing about 28% of the junk now floating around in space (see chart).
结果在地球上方约850公里（530英里）处造成了一大片太空碎片区，约占漂浮在太空的现有垃圾总量的28%（见表）。
This method is very powerful especially for problems concerning space debris mitigation that require a large amount of calculation of the satellite orbit lifetime.
在诸如空间碎片减缓这种需要非常大量的计算卫星寿命的问题中，新方法的价值得到充分体现。
High velocity impact on spacecraft by meteoroid and space debris is a threat to its safety operation, that can in turn lead to significant damage and catastrophic failure.
微流量及空间碎片的高速撞击威胁着航天器的安全运行，导致其严重的损伤和灾难性的失效。
In space operational simulation virtual environment, space targets-satellites and space debris are in large quantities, and their orbits calculation affect the simulation speed directly.
在空间作战仿真虚拟环境中，空间目标-卫星及空间碎片数量庞大，其轨道计算直接影响着仿真速度。
The MIT-based authors of the journal article note that the trend could exacerbate some problems, such as the growing congestion in earth orbit as well as the danger of spreading space debris.
一个麻省理工的研究者写文章指出这种趋势加重了一些问题，如日趋严重的地球轨道堵塞和正在增加的空间垃圾。
The results of spacecraft space debris shield configuration, as well as pressure vessel damage behavior characteristic under hypervelocity impact conditions are presented as applications.
作为应用的例子给出了超高速撞击条件下航天器空间碎片防护结构以及压力容器损伤特性实验研究的结果。
In this paper, space debris generation and evolution processes are firstly analyzed in detail. Then, a method of generating the small space debris environment database is brought forward.
首先对空间碎片的产生和演化过程进行了详细分析，在此基础上提出了一种小空间碎片环境数据库的生成方法。
The on-going International Organization for Standardization(ISO) standards related to space debris are summarized including 1 DIS standard, 4 CD standards, 3 WD standards and 5 NWIP standards.
对国际标准化组织（ISO）正在拟定的空间碎片标准进行了综述，其中包含1个DIS标准、4个CD标准、3个WD标准和5个NWIP标准。
Hypervelocity impact on long duration and large size spacecraft by meteoroid and space debris is a threat to its safety operation that can in turn lead to significant damage and catastrophic failure.
微流星体及空间碎片的超高速撞击威胁着长寿命、大尺寸航天器的安全运行，导致其严重的损伤和灾难性的失效。
Hypervelocity impact on long duration and large size spacecraft by meteoroid and space debris is a threat to its safety operation that can in turn lead to significant damage and catastrophic failure.
微流星体及空间碎片的超高速撞击威胁着长寿命、大尺寸航天器的安全运行，导致其严重的损伤和灾难性的失效。
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