光速
optical───adj.光学的；眼睛的，视觉的
optical fibre───光学纤维；光导纤维；光学（玻璃）纤维，光导纤维
speed───v.快速运动；加速；促进；（使）繁荣；超速驾驶；（非正式）用兴奋剂成瘾；n.（Speed）斯皮德（人名）；n.速度，速率；进度；迅速；繁荣；感光度；排挡；（非正式）安非他明
optical rotation───旋光度，旋光性，（光学的）偏振转；[光]旋光度；[光]旋光性；偏振转
optical stores───眼镜店
optical microscope───[光]光学显微镜
optical disc───光具盘，频闪观测盘；[计]光盘；光具盘；频闪观测盘
acadian optical───阿卡迪亚光学
goral optical───高斯光学
The camera has a built-in optical image amplifier that overcomes the tradeoff between sensitivity and speed, ” he said. “It could be especially useful for microscopy.───这个相机内置了一个光学图像放大器，解决了灵敏度和拍照速度之间的权衡问题，”他说，“它在显微技术上会特别有用。
The camera combines rugged reliability with unequalled optical performance and speed.───这款照相机集经久可靠性、无与伦比的光学性能和速度于一身。
The speed gap between processors and optical links is smaller, but ultimately, that too will likely change.───处理器和光学连接器的速度差异正在变得越来越小，但是最终也将彻底改变。