“first quarter”的概念、定义、翻译、参考文献-科学参考

单词	first quarter
释义	first quarter [`fǝrst `kwȯrd·ǝr] ^ASTRONOMY The phase of the moon when it is near east quadrature, when the western half of it is visible to an observer on the earth.
随便看	cycle plant cycle reset cycle skip cycle stealing cycle stock cyclethrin cycle time cycle timer cycle timing diagram cyclic cyclic adenylic acid cyclic amide cyclic AMP cyclic anhydride cyclic catalytic reforming process cyclic chronopotentiometry cyclic code cyclic coil cyclic compound cyclic coordinate cyclic currents cyclic curve cyclic element cyclic extension cyclic feeding

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。