“岩体质量分级”的概念、定义、翻译、参考文献-科学参考

单词	岩体质量分级
释义	岩体质量分级 Encyclopedia 理学水利水电工程地质释 rock mass classification岩体质量分级利用勘探试验中所取得的某些参数，结合地质观察，以量化概念来判别岩体性能优劣的围岩质量分级。
随便看	Central District central divided difference central division algebra central dogma central-Dominated galaxy central eclipse central edge Central Education Council Central Electricity Research Laboratory central element central emergency response agency central endomorphism central enterprise central eruption Central Europe Central European Business School Case Center Central European Free Trade Agreement central European time central executive system Central Experimental and Proving Establishment central exponent central extension central extension field central extension of a group central extension of groups

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。