“GRA（Government Reports Announcements）”概念、定义、翻译-科学时代

单词	GRA（Government Reports Announcements）
释义	图书馆、情报与文献学词汇手册 GRA（Government Reports Announcements）《政府报告通报》
随便看	automatic controlling vacuum frying machine automatic control of boiler automatic control of electric heater automatic control of heat exchanger automatic control of refrigerating machine automatic control of water supply and sewerage automatic control panel automatic control system automatic control system automatic control system automatic control system for air conditioning automatic control system for constant temperature and humidity automatic control system for humidity automatic control system for pressure automatic control system for rate of water flow automatic control system for temperature automatic control system for water circuit automatic control theory automatic control theory automatic control theory automatic control valve automatic coordinate plotter automatic coupler automatic crab-pot carrier automatic credit transfer

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。