大家都搜：
保护的生态"XiTong"
1、estuarine ecosystem───港湾生态XiTong；河口生态XiTong
2、protective layer───[植]保护层
3、protective clothing───[安全]防护衣；防护罩，安全罩；防毒服装; 防护衣; 安全罩; 防护罩
4、closed ecosystem───封闭生态XiTong
5、protective───adj.防护的；关切保护的；保护贸易的
6、protective effect───保护效应；防护作用
7、protective cover───[机]防护罩，覆盖保护层；护面，覆盖保护层
8、entire ecosystem───整个生态XiTong
9、terrestrial ecosystem───陆地生态系（统）；[生态]陆地生态XiTong
1、According to the features of water cycle in protective forest ecosystem in loess area, the equation of water balance for the protective forestry ecosystem was put forward.───根据黄土地区防护林生态XiTong水分循环的特征，提出了防护林生态XiTong水量平衡方程。
2、Protective functions of forest resources also contribute to ecosystem conservation efforts.───森林资源的保护功能亦有利于生态XiTong保护努力。
3、Plant trees and grasses, and protective froest, form new agr-ecosystem.───种树种草，营造农田防护林，建立新的农业生态XiTong。