“class mark”的概念、定义、翻译、参考文献-科学参考

单词	class mark
释义	class mark [`klas ´märk] ^STATISTICS The mid-value of a class interval, or the integral value nearest the midpoint of the interval.
随便看	second-remove subroutine second sound second species seconds pendulum second strike second-strike capability second-time-around echo second-trip echo second water second-year ice secrecy system secretin secretion secretor gene secretory granules secretory structure secret weapon sectile section sectional center sectional conveyor sectional core barrel sectional header boiler sectionalized vertical antenna sectional radiography

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。