“Portable Network Graphics”的概念、定义、翻译、参考文献-科学参考

单词	Portable Network Graphics
释义	Portable Network Graphics Internet A lossless graphic format.
随便看	under-subscription underthrusting undertow under-valued currency Underwood equation underwriter underwriting undetermined multiplier undetermined multipliers Undillian Undina family undirected graph undirected graphical model undistributed middle, fallacy of the undistributed profits undo undocumented feature undrained test undulatus undulipodium undulose extinction unearned income unemployable unemployment unemployment benefit

科学参考收录了60776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。