“既存义务规则”概念、定义、翻译-科学时代

单词	既存义务规则
释义	法学词汇手册既存义务规则 pre-existing duty rule
随便看	T cell（thymus-derived cell） TCE (transmission control element) TCF（temperature correction factor） Tchadanthropus Tchebychev-Hermite polynomial Tchebychev inequality Tcherenkov radiation Tcherenkov radiation tchik-tchik-ka tchiloli tchinkoumeó T-chisel Tchuprow's coefficient of contingency T-circuit TCL (transistor-coupled logic) TCM (terminal-to-computer multiplexer) TCM (traditional Chinese medicine) TCM (trellis-coded modulation) TCM （ticket checking machine） TCN TCNQ (tetracyanoquinodimethane) TCN--TCN (third-country national) TCN (third-country national) TCO T-commerce (television commerce)

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。