In establishing current mathematical model near the closure gap, two-dimensional model is usually adopted.
建立截流龙口附近的水流数学模型，多采用平面二维模型。
In this micrograph of a dorsal closure in a fruit-fly embryo, the protein actin is marked red, prominent around the gap in the epithelial cells.
这是一只果蝇背向闭合行为的显微图片，其中被涂成了红色的蛋白质活跃于皮层细胞的勾缝四周。
A double hook closure system and the known Clamshell design bid protection against foreign objects unintentionally penetrating the gap between keyboard and display.
阿双钩封闭系统与已知的翻盖设计，对无意中穿透键盘和显示器之间的差距异物出价保护。
Reporters saw yesterday took to plow the water bridge, the bridge closure at both ends of the room there is a 2-meter-wide gap. 4 pm, the staff with walkie-talkie shouting: "Start closing! ""
记者昨日走上耒水大桥看到，合龙处两端桥梁间有一条2米宽的空隙。下午4点，工作人员用对讲机呼喊：“开始合龙！”
Reporters saw yesterday took to plow the water bridge, the bridge closure at both ends of the room there is a 2-meter-wide gap. 4 pm, the staff with walkie-talkie shouting: "Start closing! ""
记者昨日走上耒水大桥看到，合龙处两端桥梁间有一条2米宽的空隙。下午4点，工作人员用对讲机呼喊：“开始合龙！”
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