A non-governmental organization called Population Services Kenya distributes insecticide-treated bed nets to pregnant mothers and mothers with children under one year old.

一个名为肯尼亚人口服务的非政府组织为孕妇和一岁以下儿童的母亲分发用杀虫剂处理过的蚊帐。

And it also shows that the net charge is distributed on the surface.

并且总电荷分布在表面上。