Free water surface [水文] 自由水面 ; 地下水位 ; 面自由流动式 ; 表面自由流动式
free water surface evaporation 水面蒸发
free-water surface correction coefficient 自由液面水修正系数 ; 自由液面修正系数
Free Water Surface System 自由水面系统 ; 水层系统 ; 动式系统 ; 面流动式系统
free water surface graph 自由水面坡线图
free water surface purification 自由水层净化
free water surface wetland 自由水层流动湿地 ; 自由水面湿地
Free Water Surface Flow 表面流人工湿地 ; 可分为表面流人工湿地 ; 面流人工湿地
free water surface transfer 自由液面传质
Because of special quality of free surface, the disposal of free surface become more difficult and important in numerical simulation. Numerical simulation problems about free water surface and air entrained flows in hydraulic engineering are studied in this paper.
本文主要对水利工程中一些涉及自由水面及掺气的流动的数值模拟问题进行研究。
参考来源 - 水工自由水面及掺气问题的数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Sow on the surface of peat-free compost, water when necessary and pick when big enough.
表面要施些有机肥，必要时要浇水，足够大的时候要采摘。
It is the only planet known to have an atmosphere containing free oxygen, oceans of liquid water on its surface, and, of course, life.
也是我们已知的唯一拥有含氧大气、表层液态水海洋以及生命的星球。
A beluga needs to surface for air about every half mile; free flowing water was more than13miles away in baffin bay.
一条白鲸每游半英里就得浮出水面换气，而巴芬湾的未冻水域还有13英里之遥。
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