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Applications of Lasers
激光的用途
Lasers have numerous applications in various fields.
激光在眾多領(lǐng)域有著各種各樣的應(yīng)用。
They have made measurement an exact science.
激光使得測(cè)量成為一門精確的科學(xué)。
Astronomers have used lasers to measure the moon's distance from Earth to within a few centimeters.
宇航員利用激光把月球到地球的數(shù)據(jù)測(cè)量精確到厘米。
Mappers and builders use laser technology every day.
制圖和建筑人員每天使用激光技術(shù)。
For example, drawing a perfectly level straight line on a construction site is easy using a laser.
例如, 使用激光在一個(gè)建筑工地畫一個(gè)完美的水平直線就會(huì)變得很容易。
Manufacturers have used lasers for years to cut and join metal parts.
制造人員多年來用激光切割及焊接金屬零件。
And the jewelry industry uses lasers to write on the surface of the world's hardest substance, diamonds.
而珠寶行業(yè)使用激光來在世界上最硬的物質(zhì)鉆石的平面上鐫刻。
Lasers have also changed the way we live.
激光也改變了我們的生活方式。
Super-fast Internet connections let people watch movies and send huge amounts of information at the speed of light.
超高速互聯(lián)網(wǎng)連接以光的速度讓人觀看電影及發(fā)送大量的信息。
Laser printers can print out forms and documents quickly and are relatively low in cost.
激光打印機(jī)可以相對(duì)較低的成本快速打印文件及文檔。
Laser barcode scanners have changed how stores record almost everything.
激光條碼掃描器已經(jīng)改變了幾乎所有的存儲(chǔ)記錄。
They help businesses keep track of products.
他們幫助企業(yè)追蹤產(chǎn)品。
They help in storage and every detail of the supply process.
他們幫助儲(chǔ)存及供應(yīng)過程的每一個(gè)細(xì)節(jié)。
