1.If the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
当对流换热系数足够大时，再改变对流换热系数对温度影响较小。
2.Good plate of paper can be repeated use 3 to 5 times, and then rechange new paper plate.
好的垫板纸可以反复使用3~5次，然后再换新的垫板纸。