Ideal application results of thermoscopes are limited because of improperly selection in practice and field operation te实际选择和现场应用中的一些技术，导致了红外测温仪应用效果不尽如人意。
This text analyse the hoover electric field operation principle and its computing technology that use among indoor air p摘要分析讨论了吸尘电场在室内空气净化器中应用的工作原理及其计算方法。