“positive angle”的概念、定义、翻译、参考文献-科学参考

单词	positive angle
释义	positive angle [`päz·ǝd·iv `aŋ·gǝl] ^MATHEMATICS The angle swept out by a ray moving in a counterclockwise direction.
随便看	surface recombination velocity surface resistivity surface retention surface rights surface rolling surface roughness surface runoff surface-set bit surface sizing surface soil surface state surface storage surface temperature surface tension surface tension number surface tensity surface thermometer surface-to-air missile surface-to-surface missile surface treating surface vibrator surface visibility surface wash surface water surface waterproofing

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。