“tree class”的概念、定义、翻译、参考文献-科学参考

单词	tree class
释义	tree class Encyclopedia 农学森林可持续经营释 tree class林木分级根据林木分化的程度和林木的生长状况及树体形质，对林木进行的分级归类。
随便看	Birkhoff normal form Birkhoff regularization Birkhoffs theorem Birkhoff stratification Birkhoff theorem Birkhoff-Witt theorem Birkin National Park Bir Lehlu Birman Birmingham Birmingham Campaign Birmingham crater Birmingham School Birnbaum Birnbaum theorem birnessite bi-rotation birotunda birret Birtel Birth birth-and-death process birth[-and]-death process birth and death process with catastrophes birth and death urn model

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。