常見(jiàn)例句雙語(yǔ)例句A digital audio Compact Disc (CD)is demonstrated as a reflection grating in teaching, and characteristics of CD is given.通過(guò)用CD唱片作反射光柵的演示實(shí)驗(yàn)教具，簡(jiǎn)略介紹了CD唱片的特點(diǎn)。Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.一束電子波衍射的方式，同光波從一個(gè)反射光柵上彈回的方式完全類(lèi)似，這真是不可思議。dict.siteFrom structure of optical disk, its signal trace can be viewed as a reflection grating, so track pitch of optical disk and the length of the signal trace on a CD can be measured.基于光盤(pán)的結(jié)構(gòu)，將光盤(pán)抽象為一個(gè)反射光柵的模型，從而測(cè)出了光盤(pán)的道間距及信道軌跡長(zhǎng)度。 返回 reflection grating