例句與造句

1. The standard system composes of supporting variables and standards , inputting variables and standards , progress variables and standards , outputting variables and standards
   控制標(biāo)準(zhǔn)體系由支持變量、輸入變量、過(guò)程變量、輸出變量四大類(lèi)變量及其控制標(biāo)準(zhǔn)構(gòu)成。
2. It's difficult to find progress variable in a sentence. 用progress variable造句挺難的