Influence of support construction on tip-to-face roof stability has been studied by the use of theoretical analysis and numerical simulation methods under different top coal conditions in fully mechanized top coal caving face.
采用理论分析、数值模拟等方法研究了在综放开采中不同顶煤条件下支架架型对端面顶板稳定性的影响。
The authors have studied the free end flow and heat exchange characteristics of the staggered cylindrical array and derived the fitting formula of non dimensional heat exchange thermal parameters of the free section and top end.
文中研究了圆柱阵列自由端的流动及换热特性 ,推导出自由段和顶端的无量纲换热参数的拟合公式 ,运用多区域和连续模型模拟的结果与实验数据相符良好。
The top control of pollution sources and the end managing of pollution water is the key technique for the restoration of lake ecosystem.
对污染源的顶端控制和水体污染的末端治理是恢复退化生态的关键技术。
Of, relating to, located at, or constituting an apex.
顶端的顶端的，有关、位于或构成顶端的
cut off the top of the horns of(cattle)
截去（牛）的角的顶端.
(biology) being abruptly enlarged and globose at the tip.
（生）顶端突然变大呈球状。
He pinched the top of the plants off.
他将植物的顶端掐掉。
She is determined to reach the peak.
她下定决心要爬上顶端。
When I get to the top I am huff and puff
我到达顶端时累得直喘
Replace spring tip inserts.
更换弹簧顶端插头。
The uppermost part of a tree.
树梢树的最顶端部分
The morning sun fired the tops of the trees.
朝阳照亮了树林的顶端
(of mosses) having the archegonia at the top of the stem.
（苔藓）主干顶端有颈卵器。
she yelled from on top of the monkey bars.
她在猴架的顶端叫道。
The outtake is at the top of the windows.
通气管在窗的顶端。
The stick tapered off to a point.
这棒到顶端逐渐变细。
Pull the flag to the top of the pole.
把旗升到旗杆顶端。
At the end, the construction was primitive.
顶端的设施很原始。
When I got to the top I was huffing and puffing.
我到达顶端时累得直喘.
The uppermost part, point, surface, or end.
顶，顶端最上面的部分、点、表面或尾部
Feliks was kneeling on the peak of the roof.
费利克斯跪在屋顶的顶端。
