“density”的概念、定义、翻译、参考文献-科学参考

单词	density
释义	density [`den· sǝd·ē] ^MATERIALS Closeness of texture or consistency. ^MATHEMATICS For an increasing sequence of integers, the greatest lower bound of the quantity F (n )/n, where F (n ) is the number of integers in the sequence (other than zero) equal to or less than n. ^MECHANICS The mass of a given substance per unit volume. ^OPTICS 1. The degree of opacity of a translucent material. 2. The common logarithm of opacity. ^PHYSICS The total amount of a quantity, such as energy, per unit of space.
随便看	crushing strain crushing strength crushing test crush kidney crush syndrome crush zone crust Crustacea crustal motion crustal plate crustecdysone crustose crust vegetation crutter Crux Crv cryalgesia cryanesthesia cry-, cryo- cryesthesia crymodynia cryoanalgesia cryoanesthesia cryobiology cryobiosis

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。