薄板的

The difference processing technology between thin and thick straw flakeboard and the technology of thin strawf lakeboard wered escribed.

介绍稻秸板和厚板的工艺区别、稻秸板生产工艺。

By the method of electril charge projection the expression of charge density and field intensity on midperpendicular plane on a conductive plate are given.

利用电投影方法,给出板上电密度的和中垂面上场强分布。