1.
National Environment and Health Action Plan
国家环境和卫生行动计划(环卫计划)
2.
Technical level standard for workers of environmental sanitation
环卫工人技术等级标准
3.
Investigation on Air Bacteria Contamination in Operation Areas of Environmental Health WorKers in Beijing
北京市环卫工人作业环境空气细菌污染调查
4.
geostationary orbit environmental satellite
静止轨道环境卫星同步轨道环境卫星
5.
Environmental Health Regional Information Network
环境卫生区域信息网(环境卫生网)
6.
The perimeter of the airfield is protected by guard-dogs.
机场外的环形防卫圈由警犬保卫着。
7.
The perimeter of the airfield is protected by guard - dogs.
机场外的环形防卫圈由警犬保卫著。
8.
Central Environmental Health District Office
中区环境卫生办事处
9.
circum earth orbit
地球卫星的环行轨道
10.
advanced research environmental test satellite
高级环境研究试验卫星
11.
Environmental Hygiene Section [Urban Services Department]
环境卫生组〔市政总署〕
12.
A satellite's circle around the earth.
卫星绕地球的环形轨道
13.
David likes comic books.
大卫喜欢看连环画。
14.
Environmental Health Criteria Task Group
环境卫生标准工作组
15.
Pan-American Information Network on Environmental Health
泛美环境卫生信息网
16.
Regional Centre for Environmental Health Activities
环境卫生活动区域中心
17.
Environmental Health Branch [Urban Services Department]
环境卫生科〔市政总署〕
18.
Office of Global and Integrated Environmental Health
全球和综合环境卫生处