“等级”的概念、定义、翻译、参考文献-科学参考

单词	等级
释义	等级 Physics gradation①层次 ②分级 ③等级 grade①等级 ②坡度 Mathematics grade分次，等级 rank秩，阶，等级 tier层，等级
随便看	plug-and-play middleware, pluggable middleware plug and play operating system plug drug method plug flow pluggable middleware plugging technique of expandable casing plug-in flowmeter plug-in hybrid electric vehicle plug-in unit plug seeder plug seedling plum plumage plumb plumbagin plumbagine plumbaginous plumbago plumb bob plumbean plumbeous plumber's nightmare Plumbic-glazed Pottery of Han Dynasty plumbicon plumbiferous

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。