“photochromism”的概念、定义、翻译、参考文献-科学参考

单词	photochromism
释义	photochromism [¦fōd·ō`krō´miz·ǝm] ^CHEMISTRY The ability of a chemically treated plastic or other transparent material to darken reversibly in strong light.
随便看	unitary symmetry unitary transformation unit assembly unit ball unit binormal unit cell unit charge unit circle unit construction unit conversion factor unit cost unit delay unit die United States airways code United States standard dry seal thread peak signal level peak tank peak-to-peak amplitude peak-to-valley ratio peak value peak width peak zone Peano continuum Peano curve Peano space

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。