“four tonal categories of the old Chinese”的概念、定义、翻译、参考文献-科学参考

单词	four tonal categories of the old Chinese
释义	four tonal categories of the old Chinese Encyclopedia 文学古四声释 four tonal categories of the old Chinese古四声先秦两汉时期汉语声调的总称。
随便看	natural boundary homomorphism natural boundary integral method natural boundary integral operator natural boundary of analyticity natural boundary reduction natural bridge natural broadening natural bundle natural bypass natural capital natural cause theory natural cheese natural circulation natural circulation boiler start-up natural circulation steam generator natural class natural coke natural colloid natural color natural color cocoon natural color silk Natural Color System natural color system natural communication network natural complex

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。