The microstructure on the hole surface of CFRP is a very important characteristic of the quality of hole drilling.

碳纤维复合材料的孔壁表面微观形态是孔加工质量的重要特征之一。

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In the computations of 3d VLSI parasitic interconnect capacitance, it is very difficult to partition the boundary elements on a multi hole surface.

在3d VL SI互连寄生电容的边界元素法计算中，多孔平面的边界元划分是十分困难的问题。

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Because the composite electroplating layer containing diamond grains must be distributed on the hole surface of die, it brings some difficulties to the process.

由于含有金刚石颗粒的复合镀层要镀在胎具的内孔孔壁上，所以给电镀工艺带来一定的困难。

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One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

It shot up through the hole and onto the surface, obviously ruining the hole, but at least not claiming any lives.

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Rather than a handful of men working in close confines about 90m underground, at a site like Tower there are some of the largest earth movers in the UK digging a hole 180m on the surface.

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This allowed natural gas to migrate up the hole and explode at the surface.

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