Analyzed and studied the parasitic capacity and the inductance effect which the hole produces, Analyzed the influence of PCB board hole to the radio frequency transmission performance;

分析了过孔产生的寄生电容和电感效应，PCB板过孔对射频传输性能的影响；

youdao

Then, from behind the board, invisible to the baby, he peeked through a hole to watch what the baby looked at.

然后，在展板后面婴儿看不到的地方，他挖了个孔观察婴儿看了什么。

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Trace and cut a circle out of the poster board. Then cut out a 1/2″ to 1″ hole in the center of that circle, depending on whether you’re doing a large or small hat.

首先，在纸板上剪一个圆，在圆的中间剪一个1/2英寸到1英寸的孔，具体大小取决于你所做的饰品大小。

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This is a game where you get a little plastic device, it's got 15 plastic numbers on it and one hole in this little plastic board and you can move those numbers up, down, left to right, and the goal is to take what's a random assortment of tiles and arrange them in numeric order and that's one of these little things you can play sort of absentmindedly.

在这个游戏中，你会拿到一个可塑的装置，上面有15个数字和一个孔,你可以将数字上下移动，左右移动，目标就是,拿到一个随机的组合后,将其按数字顺序排列,这个你可以随便玩玩。

哈佛公开课 - 计算机科学课程节选

The Atrocities Prevention Board filled a major hole in U.S. foreign policy and sets a promising trajectory for increasing the U.S. and international community's ability to prevent mass atrocities.

CNN: Stop atrocities before they start

The party began with a cocktail reception and silent auction, then segued into a live one hosted by actor Alec Baldwin, who also sits on the Hole in the Wall board.

FORBES: Alec Baldwin and Friends Put On A Show With the Hole in the Wall Gang Campers

In return, the company agreed to make up the hole in its annual budget that the Park Board will face as its government subsidy is gradually cut to zero over the next ten years.

ECONOMIST: Southern Africa