1.The main content of this issue consists of three parts of system design, device calibration and simulation experiment.
课题的主要内容包括三个部分，系统的设计、装置的标定以及模拟实验。
2.The ensnaring mosquito killer is the most advanced physical design device in the world, with mosquito killing and purging air in one unit.
诱捕型灭蚊蝇器是目前世界上最先进的物理灭蚊蝇设备，它不仅可以灭蚊蝇而且清新空气。