“contour check”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	contour check
释义	农业词汇手册 contour check 梯田，等高畦田
随便看	PPD (predicted percentage dissatisfied) ppd. (prepaid) PPD (principle of professional development) PPE PPE (performance planning and evaluation) PPE (performance planning and evaluation) PPE (polyphenylene ether) PPE--PPE (performance planning and evaluation) PPE （Philosophy，Politics and Economics） PPF PPF PPF--PPF (production possibility frontier) PPF--PPF（photosynthetic photon flux） PPF (production possibility frontier) PPF (project preparation facility) PPF（photosynthetic photon flux） PPG PPG玻璃纤维和纱 P-phonogram PPI PPI PPI PPI (pay-per-impression) PPI (pixels per inch) PPI (pixels per inch)