“observational day”的概念、定义、翻译、参考文献-科学参考

单词	observational day
释义	observational day [´äb·zǝr`vā·shǝn·ǝl ¦dā] ^GEOPHYSICS Any 24-hour period selected as the basis for climatological or hydrological observations.
随便看	computer-assisted learning computer-assisted retrieval computer center computer code computer conferencing computer control computer control counter computer-controlled system computer control register computer efficiency computer entry punch computer graphics computer graphics interface computer graphics metafile computer input from microfilm computer-integrated manufacturing computerized axial tomography computerized branch exchange computerized composition computerized tomography computer-limited computer literacy computer-managed instruction computer memory computer modeling

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。