“签字作废”的概念、定义、翻译、参考文献-科学参考

单词	签字作废
释义	签字作废 cancel a signature
随便看	camera shutter camera signal camera signal characteristic camera spectral characteristic camera station camera switching camera taking characteristic camera talkback camerated camera tilt camera tilt down camera timer camera tripod camera tube camera tube lag meter camera tube with high velocity scanning beam camera tube with low velocity scanning beam camera video switching system camera vitrea bulbi camera with eyepiece camera with ground glass focusing Camerers law camerostome cam face cam finger

科学参考收录了1248194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。