Method differential integrated backscatter (IB) imaging technique were used to monitor the HIFU-induced lesions, which combined IB parameter imaging with the digital differential method.
方法将超声背向散射积分(IB)参量成像与数字减影法相结合，提出IB减影成像方法用于HIFU治疗的损伤区域监控成像。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
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