cocoons laid net plate,fourdrinier wire

The design of calculations of production capacity and speed for fourdrinier machine based on VB;

基于VB的长网纸机产能及车速计算的程序设计

It was made with big-sized meshnet, iron chain line, long wing and short square.

底生贝类拖网根据魁蚶、红螺、栉江瑶等底生贝类生态习性，采用铁链下纲、长网袖、短网盖。

Two models similar to growing networks are given.

文中给出两个类似生长网络的模型。