例句與造句

1. This paper introduces the methods to determine optimal green time , minimum green time , maximum green time , unit extension time , inter - green time , and amber time
   介紹了最佳綠燈時(shí)間、最小綠燈時(shí)間、最大綠燈時(shí)間、單位綠燈延長(zhǎng)時(shí)間、綠燈間隔時(shí)間、黃燈時(shí)間等的計(jì)算和取值方法。
2. It's difficult to find unit extension in a sentence. 用unit extension造句挺難的