例句與造句

1. But in recent years , various rapid - prototyping techniques that automatically produce three - dimensional parts from computer - aided - design data have reduced the time from weeks to days or hours
   但近幾年來(lái)，出現(xiàn)了很多可依據(jù)電腦輔助設(shè)計(jì)資料，自動(dòng)制作立體模型的快速原型制作技術(shù)，將數(shù)星期的制作時(shí)間縮短到數(shù)天或幾小時(shí)。
2. It's difficult to find three-dimensional part in a sentence. 用three-dimensional part造句挺難的