“square degree”的概念、定义、翻译、参考文献-科学参考

单词	square degree
释义	square degree [`skwer di`grē] ^MATHEMATICS A unit of a solid angle equal to (π/180)² steradian, or approximately 3.04617 × 10^-4 steradian.
随便看	simple alternative simple arc simple balance simple branched tubular gland simple buffering simple character simple closed curve simple compression simple conic chart simple conic projection simple continuous distillation simple crater simple cross-bedding simple cubic lattice simple cusp simple data structure simple dike simple elongation simple engine simple fruit simple function simple gland simple goiter simple group simple harmonic current

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。