breeding pond 中文意思是什麼
breeding pond
解釋
養魚塘。-
Maintains the breeding pond so that sediment does not collect on the bottom
維持繁殖池,池底不產生污泥,控制水質。 -
The egrets population started breeding from match to april. the chiefly breeding place was in jiyu in 2001, including 5032 little egrets, 4694 chinese pond herons ( ardeola bacchus ), 1692 black - crowned night herons ( nycticorax nycticorax ) and 460 cattle egrets
鷺群3 4月開始進入繁殖期, 2001年主要繁殖地位於雞嶼,繁殖數量為白鷺5032隻,池鷺4694隻,夜鷺1692隻和牛背鷺460隻。 -
By stirring water with the impeller, splash water to the air evenly and widely, strengthen the pond water ' s flowing circulation, make pond water dissolve into oxygen and death of fish, shrimp and eel, raise the breeding density, quicken the growth so to achieve high and stable yields
通過葉輪攪水,把水均勻而彌散地潑向空間,加強池水流動循環,使池水溶入氧而稀釋和排出有害物質,增加水中的溶氧量,改善水質,防止魚蝦鰻浮頭死亡,提高養殖密度,加速生長,從而達到高產穩產。 -
From march to july in 2000, research on the breeding biology of the little egret and pond heron was made in the jiyu islet
2001年3 7月對雞嶼繁殖地的鷺類繁殖生物學進行了研究。 -
Directive breeding of microalgae and effects of it on environment factors in prawn pond
蝦池微藻定向培育及其對養殖環境因子的影響 -
Artificial breeding technique of broodstock of sea cucumber, stichapus japocicus raised in a shrimp pond
利用蝦池養成的種參人工育苗應注意的問題
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