However, there is not any report on the relationship between grain edge length and its neighboring ensemble grains edge length average in the polycrystal.

三维个体晶粒棱长是描述晶粒尺寸的重要参量，多晶体中晶粒及其邻接晶粒的棱长之间的关系至今仍是空白。

youdao

It was at the season when the grain is tall; on the edge of the plateau a battalion of Kempt's brigade, the 95th, armed with carabines, was concealed in the tall wheat.

当时正是麦子长得很高的季节，在那高地的边沿上，兰伯特旅部的第九十五营兵士都拿着火枪，伏在麦田里。

youdao

So the edge extracting must be done for grain measurement.

为了测量颗粒粒径，需要做边缘提取。

youdao

Roe has figured out that most of his customers are desperate for fresh ideas--they've perfected the candy bar and long-grain rice, but they know a good package gives them an edge in the grocery store.

FORBES: BEMIS Bag Man