1.
There is a need for the conservation of trees, or there will soon is no forests.
有必要保护树木，否则不久将会没有森林了。
2.
"There is a need for the conservation of trees, or there will soon be no forests."
有必要保护树木,否则不久将会没有森林了.
3.
The nation did not need to be protected against its own will.
国家没有必要保护自身免遭自己意志的侵害。
4.
conservationists saw the need to protect the environment and animals,
保护管理论者发现了保护动物和环境的必要性。
5.
It makes people recognize the need to save the Earth.
它让人们意识到有必要去保护地球。
6.
It is essential that the vegetation of this area should be preserved.
保护这一地区的植被是很必要的。
7.
emphasize the necessity for preserving our natural resources
强调保护自然资源的必要性
8.
On the Necessity to Revise Trips Agreement from the Perspective of Human Rights Protection;
Trips协议修改的必要性——人权保护的视角
9.
Brief Talk on Necessity of Legal Protection of Ecological Security;
浅议我国生态安全法律保护的必要性
10.
We must awaken people to the need to protect our environment.
我们必须使人民认识到保护环境的必要性。
11.
The problem of the air pollution in cities and towns must be dealt with if the environ ment is going to be preserved.
如果要保护环境，城镇空气污染问题必须处理。
12.
The ESSENTIALITY ON ESTABLISHMENT OF DAI HAI LAKE - WETLAND NATURE RESERVE
建立岱海湖泊湿地自然保护区的必要性
13.
THE NECESSITY OF INTERTURN SHORT CIRCUIT PROTECTION FOR LARGE-SIZED TURBOGENERATORS
大型汽轮发电机匝间短路保护必要性探讨
14.
A lot of them know conservation is necessary.
他们中很多人都知道保护环境是有必要的.
15.
Most people have come to accept the need for conservation of natural resources.
现在大多数人已认识到保护自然资源的必要。
16.
From Protecting the Chinese National Culture to Elaborate the Necessity of Developing Wushu at Universities;
从保护中国民族文化论高校普及武术的必要性
17.
On the Criminal Law Protection of New Varieties of Plants in China;
完善我国植物新品种保护刑法制度的必要性
18.
Brief Discussion on the Basic Principles of the Creation of Urban Sculpture and Its Environment;
浅议城市公共景观资源保护的立法必要性