“eastern cottonwood”的概念、定义、翻译、参考文献-科学参考

单词	eastern cottonwood
释义	eastern cottonwood Encyclopedia 农学〔用材树种〕释 eastern cottonwood美洲黑杨双子叶植物纲金虎尾目杨柳科杨属一种植物。又称东方三角叶杨。
随便看	left reversible semigroup left Riemann integral left-right axis left right correlation left-right correlation left/right hand spinors (left,right) ideal of an algebra left (right) parametrix left-right points combination，left-right points association left (right) serial ring left ring left R module left R-module left rotation left satellite left screw left secondary element left secondary radical left self-injective ring left semi-chain ring left semicontinuous left semi Fredholm operator left semi-Fredholm operator left semihereditary ring left semilinear mapping

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