High density resistivity method is applied widely in the field of engineering, and the good effect is gained.
高密度电阻率法在工程领域得到了广泛的应用，并取得了良好的效果。
2
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换，具有广泛的应用前景和巨大的经济价值。
3
The paper mainly introduces the application that the high voltage inverter in the oil field pump and joint electricity effect is clear, and possesses application and dissemination value.