“middle-depth well drilling”的概念、定义、翻译、参考文献-科学参考

单词	middle-depth well drilling
释义	middle-depth well drilling Encyclopedia 工学中浅井与调整井钻井释 middle-depth well drilling中深井钻井 1500～4500米井深的钻井。
随便看	nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching non-nesting matching nonnesting matching non nesting partition non-nesting partition nonnesting partition non neutral plasma

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。