Since it was fiist proposed to use nonlinearly generated harmonic components for ultrasonic imaging in 1996,的翻译：Since it was fiist proposed to use nonlinearly generated harmonic components for ultrasonic imaging in 1996, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

因为它是fiist建议用超声波成像的非线性产生的谐波分量，在1996年，

Since it was fiist proposed to use nonlinearly generated harmonic components for ultrasonic imaging in 1996,

It was proposed to use Since fiist nonlinearly generated harmonic components for ultrasonic imaging in 1996.

Since it was fiist proposed to use nonlinearly generated harmonic components for ultrasonic imaging in 1996,