“信件类快件”的概念、定义、翻译、参考文献-科学参考

单词	信件类快件
释义	信件类快件 Encyclopedia 工学快件释 letters express item信件类快件以封套形式缄封的，内件是按照名址递送给特定个人或者单位的信息载体的快件。不包括书籍、报纸、刊物等。
随便看	vector state vector stochastic process vector structure vector sublattice vector subspace vector subtraction vector sum vector sum analysis method vector supercomputer vector superfield vector susceptibility vector texture vector topology vector transformation law vector translation vector triple product vector tube vector-valued vector-valued eigenfunction vector-valued form vector valued function vector-valued function vector-valued generalized functions vector-valued integral vector valued interpolation by continued fractions

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。