This paper discusses closed water breeding techniques of eel from the design of the pool, treatment of seed eels and management.
本文主要从鳝池的设计、苗种处理、日常管理等方面探讨了鳝鱼的静水无土养殖技术。
The seed selection success of overlapping spike not only increases crop type, but also enriches the gene pool in barley.
它的选育成功，不仅增加了作物的类型，而且丰富了大麦的基因库。
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