在每个区域网路区段中，选定一个最靠近根交换器的的交换器。

Designate one of the switches as the closest one to the root, for each LAN segment.

youdao

从段法基本概念出发，推得了柴油机缸内火焰段对整个缸壁段的辐射全交换面积计算式，并以此为基础给出了缸内辐射传热的单区段法模型。

Based on the conception of zonal method, the total radiant exchange area for flame zone to surface zone of the diesel in-cylinder was derived.

youdao