New Optical Class A 新光学甲类
A recordable optical drive 可刻录光驱
Optical Class A 新光学甲类
A quantum optical transistor 光学晶体管
bisphenol a optical epoxy adhesive 双酚A环氧光学胶
a plane optical element 平面光学元件
a tunable optical filter 可调谐光滤波器
In optical astronomy, using a telescope and observing the stars that way, we rely on visible light waves.
在光学天文学中，在用望远镜观察恒星时，我们依靠的是可见光波。
A sensor channels the light signal along an optical fibre.
传感器沿光导纤维输送光信号。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
一家公司计划开发一种原型除草机，它使用带有光学传感器和微处理器的刀片，通过颜色的深浅区别杂草和作物。
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