1. There is a famous byword: art originates from simulation. we need cover a road of simulation,
exceeding and creation, of course not copy.
国外有一句很著名的格言：“艺术源自模仿”，我们更需要从模仿到超越和创新，当然这里指不是复制。
2. Small transformers have enough tank surface to radiate all the heat caused by their losses without
exceeding the permissible temperature rise.
小型变压器具有足够的油箱表面积来散发所有由损耗引起的热而使之不超过允许的温升。
3. This paper introduces a microcomputer in a coal mine methane concentrations
exceeding the detection alarm device design and debugging methods.
介绍了一种采用单片机的煤矿甲烷浓度超标检测报警装置的设计与调试方法。
