effective area [数] 有效面积 ; 适用面积 ; 实用面积 ; 有效区域
landing area effective 有效着陆区
effective filtration area 有效过滤面积
Effective Bearing Area 有效承载面
Effective cutting area 有效的伐区
effective hearth area 有效炉底面积
effective waterplane area 剩余水线面面积
effective source area 有效源面积
Effective Illuminated Area 有效照射范围
Effective Shear Area 有效剪切面积
They have had effective control of the area since the security forces left.
自从安全部队离开后，他们实际控制了这一地区。
Such farming won't make the bay pristine again, but the researchers say the oysters are effective at cleaning the area where they're grown.
这样的养殖场还不能让切萨皮克湾完全回到以前的原生态，但是科学家表示，牡蛎在净化所生长区域海水上还是绝对有效的。
With the ability to manage business rules in a fast evolving environment, solution developers can develop more effective business applications in the enterprise content management area.
通过在快速变化环境中管理业务规则的功能，解决方案开发人员能够在企业内容管理领域开发更高效的业务应用。
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