Authors of this paper formulated two programmers to find expeller dimensions for their expected aims .

针对副叶轮两项预期功能，导出了副叶轮几何尺寸计算的两种程序。

Electronic mosquito expeller , mosquito-repellent incense , mosquito-killing spraying agent .

电子驱蚊机、蚊香、灭蚊喷雾剂。