“nonmetallic ore for gemstone”的概念、定义、翻译、参考文献-科学参考

单词	nonmetallic ore for gemstone
释义	nonmetallic ore for gemstone Encyclopedia 理学非金属矿产资源释 nonmetallic ore for gemstone宝石原料用非金属矿经琢磨后能作为饰物的矿物。
随便看	backward Dini derivative backward effects backward elimination backward equation backward error backward error analysis backward Euler method backward induction backward interpolation backward interpolation formula backward Kolmogorov differential equations backward movement backward operator backward parabdic equation backward parabolic equations backward production capacity backward reachability backward reaction backward reasoning backward recovery backward scattering backward stability backward stochastic differential equation backward stochastic differential equation (BSDE) backward substitution

科学参考收录了854744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。