1.
The polar bear's white fur is a natural camouflage, ie because the bear is hard to see in the snow.
北极熊的白色毛皮是天然的保护色.
2.
protective colouring( on the bodies of birds, animals and insects)
（鸟、兽及昆虫身上之）保护色
3.
Concealment by disguise or protective coloring.
掩饰通过伪装或保护色来隐蔽
4.
Various forms of trade protectionism are rising.
形形色色的贸易保护主义有所抬头。
5.
Israel and Jordan announced joint protection for the Dead Sea
以色列与约旦宣布联手保护死海
6.
Technical regulation for environment protection design in nonferrous metals industry
有色金属工业环境保护设计技术规定
7.
a skunk's aposematic coloration.
动物利用警戒色来保护自己。
8.
The Protection of Specific Geographical Agricultural Mark Products and the Agriculture in Anhui Province
特色农产品地理标志保护与安徽农业
9.
A Survey of Wartime Israeli Children Protection Policy and Its Implications
战时以色列儿童保护政策概览及启示
10.
It is an envoy of green forest and a patron saint of the human health.
绿色森林的使者，人类健康的保护神。
11.
An Investigation into Green Trade Protection and China's Foreign Trade in Agriculture;
绿色贸易保护与中国农产品贸易研究
12.
The analysis and protection countermeasures of farmland quality situation in Baise City;
百色市耕地质量现状分析与保护对策
13.
The Special Features and the Protection of the Cultural Landscape of PingYao Ancient City;
浅谈平遥古城文化景观的特色与保护
14.
Protection of Environment--The goal of green education and the strategies of its Practice;
环境保护——绿色教育的目标与实践
15.
Fake"Green": A New Kind of Trade Protectionism;
透析假“绿色”之名的新贸易保护主义
16.
About the Protection of Landscape and Anthropogical Characteristic Resources in Tourist Areas;
试论旅游地景观人文特色资源的保护
17.
Research on Green Exploitation of Hydraulic Power and Environment Protection;
绿色水电开发与环境保护的创新思考
18.
Exploitation, Protection and the Specialized Economy Development of Qingzang Plateau;
青藏高原开发、保护与特色经济发展