“贝塞尔椭球”的概念、定义、翻译、参考文献-科学参考

单词	贝塞尔椭球
释义	贝塞尔椭球 Encyclopedia 工学参考椭球释 Bessel ellipsoid贝塞尔椭球由德国天文学家F.W.贝塞尔（Friedrich Wilhelm Bessel，1784～1846）于1841年提出的参考椭球，其长半径为6 377 397米，扁率为1/299.152。该椭球在欧洲和欧亚大陆适用性较好。
随便看	operation on fiber bundles operation on forms operation on submodules operation period of environmental monitoring technical specification operation period of environmental protection facilities technical specification operation product expansion operation research for system operation room/emergency room/consulting room instruments and devices operation safety analysis operation skill operations of internal combustion engine operations of major repair operations planning operations research operations research; operational research operations security tactic operation standardization operation support system operation symbol operation-system-level virtualization operation system trace operation table Operation Training Simulation for Complex Equipment Operation Turquoise operation type logistics building

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。