The total edge length of three-dimensional individual grains is one of the grain characterization parameters to the grain size description.

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

Description: Change a constraint (data type, size, etc) to simplify the problem Then try to solve it Once you have an algorithm for the "simplified" problem, generalize the problem again.

说明：通过改变一些条件，(比如数据类型或者问题的规模)来简化问题，然后设计一个算法来解决这个简化过的问题，然后在问题一般化还原回来。

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In some respects the Mittelstand is a philosophical construct, rather than just a description of company size.

从某些方面看来，Mittelstand不仅是一种公司规模的描述，更是一种哲学概念。

youdao

So,it's every shape, size color description of bird that I could think of.

VOA: special.2009.09.02

U.S. intelligence agencies and outside nuclear experts have cited the report, and its description of the size and scope of the centrifuges, to conclude they are so-called P-2 designs a generation beyond what Iran is using.

WSJ: North Korea Nuclear Find Raises Fears It Will Share With Iran

According to DARPA's research description, the robot should be about the size of a softball but capable of squeezing through a one centimeter hole and reconfiguring itself within 15 seconds.

CNN: Robotics discovers its soft side

The painting, also the same size, was previously identified as Constable's schoolmaster from Dedham, Dr Thomas Lechmere Grimwood, based on its description in a 1926 Sotheby's sale catalogue as a 'Portrait of the artist's schoolmaster'.

BBC: Artist captured parents on canvas