“layer plough”的概念、定义、翻译、参考文献-科学参考

单词	layer plough
释义	layer plough Encyclopedia 农学层耕犁释 layer plough层耕犁利用在不同位置配置的犁体对土壤进行分层耕作的铧式犁。
随便看	lower envelope lower envelope principle lower estimate lower factorial lower-flow system lower function lower gastrointestinal bleeding lower half-disk lower half-martingale lower half-plane lower half-space lower heating value lower heat value coal lower hemisphere lower-he-sea point lower homology lower hybrid frequency lower hybrid oscillation lower hybrid wave lower index lowering lowering mapping lowering of index lowering of order lowering operator

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