“range drum”的概念、定义、翻译、参考文献-科学参考

单词	range drum
释义	range drum [`rānj ´drǝm] ^ORDNANCE Graduated indicator of cylinder type, connected mechanically with the elevating mechanism of a gun, used for range setting.
随便看	off-carriage fire control off-carriage fire control equipment off-center plan position indicator off-count mesh offense against the sine condition offensive grenade offhand grinding off-highway truck off-highway vehicle off-hook off-hook service office automation official master drawing officials' inspection lamp offing offlap off-line off-line cipher off-line computer off-line equipment off-line mode off-line operation off-line processing off-line storage off-line unit

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。