alien seed 中文意思是什麼
alien seed
解釋
異形大追擊-
But seed orchards are difficult to control, because tree pollen spreads so far that alien, non - elite trees almost inevitably muddy the gene pool
但是有種子的果樹很難控制,因為花粉傳播的太遠了,一些其它種類的樹木就會不可避免地弄亂此基因庫。 -
Study on using stock seeds for commercial cultivation and a technological system for stock seed production without the procedure of removing alien seeds
小麥生產用種原種化及原種生產免去雜技術研究
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