“pencil”的概念、定义、翻译、参考文献-科学参考

单词	pencil
释义	pencil [`pen·sǝl] ^ENGINEERING An implement for writing or making marks with a solid substance; the three basic kinds are graphite, carbon, and colored. ^MATHEMATICS A family of geometric objects which share a common property. ^OPTICS A bundle of rays that emanate from or converge to a common point.
随便看	integral-type flange integral waterproofing integrand integraph integrase integrated circuit integrated-circuit capacitor integrated-circuit memory integrated-circuit resistor integrated communications-navigation-identification integrated communications system integrated console integrated data dictionary integrated data processing integrated data retrieval system integrated drainage integrated ducted propeller integrated electronics integrated fire control system integrated inertial navigation system integrated information processing integrated information system integrated injection logic integrated neutron flux integrated optics

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。