单词	center of variation
释义	center of variation 变化中心
随便看	radio frequency transformer radio-frequency transformer radio-frequency transistor radio frequency transmission line radio-frequency transmission line radio frequency transmitter radio-frequency transmitter radio frequency trap radio-frequency trap Radiofrequency treatment radio-frequency treatment Radio frequency treatment meter Radio Frequency Treatment on Hepatoma radio frequency tube radio-frequency tube radio frequency tuner radio-frequency tuner radiofrequency unit radio frequency unit radio-frequency unit radio frequency up-and-down converter radio frequency usage reporting system Radiofrequency vaporization radiofrequency voltage radio frequency voltage