用于地球物理勘探钻井和爆炸两个班报的因素对比，选出不同因素的钻井好爆炸-Drilling and geophysical exploration for the explosion of two classes of factors reported contrast, the drilling of different factors to elect a good explosion

这是两个不同的有关电力系统的潮流计算程序，可以对照比较两种方法的不同与优缺点-These are two different trends related to power system calculation program, you can compare and contrast the differences and advantages and disadvantages of two methods

研究I/Q通道误差对雷达脉冲压缩的影响,可生成误差补偿前、后的对比图-Research I/Q channel error effects on the radar pulse compression, error compensation can be generated before and after contrast map