“井灌”的概念、定义、翻译、参考文献-科学参考

单词	井灌
释义	井灌 Encyclopedia 农学农业水土工程释 well irrigation井灌利用提水设备提取井水进行的灌溉。
随便看	negative logic negatively definite negatively definite form negatively definite kernel negatively definite matrix negatively definite quadratic form negatively graded module negatively invariant subspace negatively oriented base negatively pressurized irrigation negatively semi-definite negatively stable point negatively stable solution negative magnetoresistance negative mapping negative matrix negative meson negative metric negative molecule negative multinomial distribution negative nitrogen balance negative norm negative number negative octant negative orientation

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