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- A quantitative index Df, as the ratio of steady infiltration rate fp and lower layer conductivity Ks, for finger flow development was proposed, and its criticalvalue was found to be 0.02. 提出了以稳渗率fp与下层土饱和导水率Ks的比值Df作为判断指流产生的量化指标，并初步分析得到 Df的临界值为0.;02。
- He tied a string on his finger to jog his memory. 他把一条细绳系在指头上，以唤起记忆。
- He that handle thorn shall pick his finger. 手中弄荆棘，难免被刺伤。
- Never poke a finger or scissors into an electric socket. 千万不要把手指或剪刀插进电源插座。
- She poked her finger into the hole. 她把手指插入孔中。
- She twirled a strand of hair round her finger. 她把一绺头发卷绕在手指上。
- I cut my finger on a sharp stone. 我的手指被一块锋利的石头划破了。
- Don't cut your finger on the broken glass. 别让碎玻璃割伤你的手。
- He crooked his finger to himself. 他向内勾起手指。
- He probed the swelling anxiously with his finger. 他很担心地用手指触摸肿处。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- Now the water is so hot I burnt my finger in it. 现在水很热，我的手指伸进去都烫痛了。
- He can't get his ring off his finger. 他无法指导戒指从手指上拿下来。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- He can't get the ring off his finger. 他不能把戒指脱下来。
- I pinched my little finger in the window. 我的小指头被窗子夹住了。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- She cut her finger on some broken glass. 她被碎玻璃划破了手指。
- The number of your finger is ten. 你双手手指的总数是10。
- She cut her finger on a piece of broken glass. 她被一块碎玻璃划伤了手指。
