fish stocking 中文意思是什麼

fish stocking 解釋
魚類放養
  • fish : n 菲什〈姓氏〉。n （pl fishes 〈集合詞〉 fish）1 魚；〈集合詞〉魚類；魚肉。 ★說魚的若干種類時用 f...
  • stocking : n. 1. 〈常 pl. 〉長襪 （ opp. sock ）。2. （毛色和身體其他部分不同的）獸腳。
  1. Fish stocking in niushan lake eliminated submersed macrophytes and gave indirect effect on biomass in niushan lake to an extent that gastropod was only 1 / 5 as much of a typical macrophytic lakes such as hong lake

    牛山湖中魚類的放養使水草出現衰退，該湖底棲動物雖然仍以螺類等刮食者為上，但生物見只有洪湖等典型草型湖泊的1 5 。
  2. To examine the effects of different lake uses on lacustrine zoobenthic community, zoobenthos were sampled in 1998 - 1999 from four shallow lakes of middle and lower basins of changjiang river, viz. fish stocking and touring lake, east tangsun lake ; fish - stocking - lake, niushan lake ; natural - fishing - lake, longgan lake and crab - overstocking - lake, huang lake. species composition, standing crops, functional feeding groups of benthic animals in every lake were studied

    1998年4月1999年7月對長江中下游四個淺水湖泊即東湯孫湖、牛山湖、龍感湖和黃湖的底棲動物分別進行了四次採集，研究各個湖泊底棲動物在種類組成、現存量、功能攝食類群、生產顯和漁產潛力上的差異；結合各個湖泊理化生物因子綜合分析了湖泊不同利用方式對底棲動物群落的影響。
  3. With stable and reliable operation, compact structure, and strong air breathing ability, it enables to enhance the stocking density for fish and prawn, flow water by stir to increase the dissolved oxygen concentration in water, and make even water temperature to improve water quality, which is an idle equipment for high - yielding aquaculture

    具有工作平穩，運行可靠，結構緊湊，充氣能力強，提高魚蝦放養密度，攪拌水體流動，增加水中溶氧含量，能使水溫均勻達到改善水質的目的，是實現高產養殖的理想設備。
  4. The city council have suggested stocking the lake with fish to provide food and fun for the citizens

    市議會已提議在湖中養魚，以給市民提供食用魚及供他們觀賞。
  5. Offers waterway and wetland maintenance, weed and algae control, fish stocking, stormwater drainage system services, flying insect control, wetland plantings, water testing, fountain installation and repairs

    -集污水處理產品設計開發，設備，工程承包於一體。自主開發有懸掛鏈曝氣裝置及自動化控制系統，供應曝氣設備。
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