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

单词	four tonal categories
释义	four tonal categories Encyclopedia 文学四声释 four tonal categories四声中古汉语或现代普通话声调数量的总称。
随便看	multi-terminal channel multi-terminal information theory multi-terminal network multitest multitester multi-threshold voltage multi-tier architecture multi-touch multitouch multitrack multitrack Turing machine multi-trailer combination vehicle multi-trait multi-method matrix，MTMM multi-transmittance meter multitree multi-tube sampling multitude multitype multitype process multi unit recording multi-unit smooth muscle Multi Unit Spectroscopic Explorer multi-use instrument for measuring tree multi user channel multi-user channel

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。