“trunk exchange”的概念、定义、翻译、参考文献-科学参考

单词	trunk exchange
释义	trunk exchange [`trǝŋk iks`chānj] ^{COMMUNICATIONS} A telephone exchange whose main function is to interconnect trunks.
随便看	safety time safety valve safety wire safe yield safflorite safflower safflower oil saffron SAFI safing safranine safrole sag sag-and-swell topography Sagartiidae sag bolt SAGE sage sagebrush sagenite sagenitic Sagenocrinida sage oil saggar clay sagger clay

科学参考收录了103327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。