洄遊類 的英文怎麼說
中文拼音 [huíyóulèi]
洄遊類
英文
migratoryspecies-
In order to make the fishway design more reasonable and make the fish migration and semi - migration passing the fishway successfully, each country attaches great importance to research of fishway design
為了使魚道設計更合理，使洄遊、半洄遊魚類能順利通過魚道，各個國家都很重視魚道設計的研究。Having carried on the direction and in - situ observation research for the fish migratory behavior, swimming mechanics and ecology, etc ; using the light, sound, electricity, colour gas and various physical agents to improve the fish passage speed in the fishway
對魚類的洄遊習性、游泳力學及生態學等問題，進行了定向和原體觀測研究，並用光、聲、電、色、氣等各種物理因素提高魚道的過魚效果。According to the test and observation indicated that mostly fish goes upstream and far away the sluiceway when fish migration, so fishway designed by us was arranged in the right bank of reservoir area and far away from the electricity generation hole intake upstream about 280 meters in order to induce the fish entering the fishway
根據試驗和觀察表明，魚類洄遊時大都沿岸上溯，同時應遠離泄水道，故我們的魚道進出口是布置在庫區右岸，離發電洞進口上游約280米處，以利誘導魚類進入魚道。The main important protected species of water ecosystem of the yellow river should be valuable economic fishes, such as saury and carp and the main protected ecological zones include the wetlands in reservoir area, estuary and channel and water area for sight and recreation
黃河水生態系統中的主要保護物種應是珍貴經濟魚類北方銅魚、河口洄遊魚類刀魚、鯉魚等，主要保護的生態區包括庫區濕地、河口濕地、河道濕地以及景觀娛樂水域等。分享友人