You will get some sort of mesh grid on your surface and you will look at a little parallelogram that is an elementary piece of that mesh and figure out what is its area and normal vector.

在曲面上做一些网格，你会看到一个网上的每一小块儿，都是小的平行四边形，我们要弄清楚它的面积和法向量是什么。

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The efficiency of active material in the grids was improved obviously by lead mesh grid.

改进后的铅布板栅的正、负极活性物质利用率均有明显提高。

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A mesh grid of an inner basket of the dirt collecting box can be made into various specifications, and the inner basket is light and handy and convenient to wash with water.

集污箱的内筐网孔栅格可以做成多种规格，内筐轻巧，便于清水冲洗。

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The attack built by Giannetsos and his colleagues has a wider target than the power grid: any system that uses sensor mesh networks, from buildings that use the sensors to monitor for weaknesses in their architecture to sensors distributed in forests to detect wildfires.

FORBES: Researcher Throws A Wrench In IBM And HP's Sensor Networks

The big idea: putting sensors everywhere that communicate in a mesh network and allow real-time tracking and optimization of everything from traffic to the power grid to the water supply.

FORBES: Researcher Throws A Wrench In IBM And HP's Sensor Networks