1.
Human Beings Activity in Outer Space and the Law for Protection of the Outer Space Environment;
人类外空活动与外空环境的法律保护
2.
Agreement on joint activities in the study and utilization of outer space
研究与利用外层空间联合活动协定
3.
opennese and transparency in activities carried out in outer space
外层空间活动的公开性和透明性
4.
Inter-Agency Meeting on Outer Space Activities
外层空间活动机构间会议
5.
Subcommittee on Outer Space Activities
外层空间活动小组委员会
6.
On the Challenge of Commercial Activity of Outer Space to the International Law;
论外层空间商业活动对国际法的挑战
7.
Space research on infants' outdoor activities in urban residential area
城市居住区婴幼儿户外活动空间研究
8.
compressor ,piston ,air,mobile (excl, motor vehicle type)
活塞式空气压缩机, 移动式（机动车型的除外）
9.
compressor ,reciprocating piston, air. mobile (excl. motor vehicle-type)
往复活塞式空气压缩机,移动式（机动车型的除外）
10.
any kind of physical activity outside a spacecraft by one of the crew.
由一个人在太空船外的任何一种物理性质活动。
11.
Declaration of Legal Principles Governing the Activities of States in the Exploration and Use of Outer Space
各国探索和处用外层空间活动法律原则宣言
12.
Study on the Outdoors Environment in City Community and Public Activity Space in Baotou
包头市城市住区户外环境与公共活动空间研究
13.
Research on the Environment of the Outdoor Public Places for Leisure Activities of Elder People of Wuhan;
武汉市老年人室外休闲活动空间环境研究
14.
The Study on the Planning and Designing of Children's Outdoor Activities Space and It's Tendency
儿童户外活动空间规划设计及其未来发展研究
15.
The Planning and Design of Children's Outdoor Activity Space in the Residential Aiea
居住区儿童户外活动空间规划设计研究
16.
Exposure to open air for exercise or health-promoting activity.
户外运动暴露于空气中的运动或促进健康的活动
17.
Residential Outdoor Space Design Research for Inhabitant s Activity-enhancement;
提高居民户外活动品质的城市住区户外空间设计初探
18.
Our cultural exchanges with the outside world have never been more lively.
对外文化交流空前活跃。