英语语法分析

The avalanche photodetector demonstrated by IBM is the world's fastest device of its kind.

IBM展示的雪崩光电探测器是世界上同类设备中最快速的设备。

The photodetector then produces a signal defining how the light falling on it changes over time.

随后光电探测器将产生一个信号，定义落在它上面的光量如何随时间变化。

InVisage's approach is to build the photodetector out of quantum dots on the surface of a chip, above the circuitry.

InVisage的方法是将表面涂有量子点的芯片传感器置于电路之上。