laser scaning的用法和樣例：
例句
- A laser scanner takes measurements of the Mona Lisa in this undated handout photo.
激光掃描儀被用于這張位表明日期的蒙娜麗莎照片。 - Self-checkout counters at the grocery store, complete with laser scanners to read bar codes, are starting to replace human cashiers.
在商店，配有讀取條形碼的激光掃描儀的自助結賬柜臺正在開(kāi)始取代人類(lèi)收銀員。
