有鰭魚類 的英文怎麼說
中文拼音 [yǒuqíyúlèi]
有鰭魚類
英文
finfishs-
The landd welling ancestors of this modern king of the sea were hunters with legs and the jaws and teeth of killers. their favorite hunting grounds were probably shallow waters near the mouths of rivers or off a level stretch of coast, for fish, both finny and shell, were then more plentiful and easier to catch than animals. because of this, these land mammals came to spend more and more time in the water
這個現代海中之王的陸上祖先，是有腿有顎有利齒的獵手。它們最喜歡的狩獵場，是靠近河口或是平坦海岸的近海淺水區，因為當時有鰭的魚類和貝殼類動物比現在要多，而且比其它動物更容易捕捉。由於這一緣故，這些陸地上的哺乳動物便逐漸在水中呆得越來越長了。This dissertation sets up the kinematics model on the basis of the biomimetic study of lunate - tail propulsion steady swimming fish and of the analysis of fish body motion and caudal fin motion
本文在綜合國內外魚類游動文獻中的有關研究成果的基礎上，分析了魚類游動過程中魚體和尾鰭運動，建立了月牙尾推進模式穩態游動的運動學模型。Moreover the cases of evaluating the fish resources in the upper yangtze river by using basic data were much less. this research evaluates the fishery status in the upper yangtze river by using commercial fisheries data of hejiang section from 1999 to 2002. the age, growth and mortality of rhinogobio ventralis which is endemic to the upper yangtze river have been studied also. moreover we have estimated the biomas s of rhinogobio ventralis
本文是在實地調查的基礎上，結合水生生物流動監測站合江站1999 - 2002年的監測結果，對長江上游合江段的漁業捕撈現狀進行了評估，研究了重要的經濟特有魚類長鰭吻?的年齡、生長和死亡，並對其資源量進行了估算。The undulatory dorsal / median fin propulsion modes as represented by amiiform and balistiform fish are of great significance for bionic propulsion research, particularly for the design and control of underwater vehicles, which are generally employed at slow speeds, offering greater maneuverability and better propulsive efficiency
以弓鰭目和鱗?科魚類為代表的背鰭/背臀鰭波動推進模式對於水下仿生推進器研製具有相當重要的參考價值。The small fishes, including c. auratus, c. erythropterus, h. leucisculus, p. parva, t. swinhonis and h. swinhonis, were abundant in the catch. p. parva and t. swinhonis had only one age class. the population of a. rivularis and s. nigripinnis had two age classes and most of them were one year old
魚類資源表現出一定的小型化趨勢，漁獲物中鯽、紅鰭原? 、 （ ?又魚） 、麥穗魚、似（魚喬） 、黃（魚幼）等小型魚類數量眾多，麥穗魚和似（魚喬）僅有1齡，棒花魚和黑鰭?由2個年齡組組成，以1齡魚為主。While yellow - created cockatoo and some asian fresh water turtles like pig - nosed turtle and roti snake - necked turtle are precious pets, rare fishes like humphead wrasse and great white shark fetch high prices for their meat, jaws and fins. desert - living cistanche and agarwood are important ingredients for some traditional chinese medicines and aromas
小葵花鸚鵡，以及如飛河和羅地島長頸等某些亞洲淡水品種是珍稀寵物而蘇眉和大白鯊等罕有魚類的肉顎骨和魚鰭的售價則非常高昂肉蓯蓉和沉香則是製造中藥和香水的重要成份。Fins are a feature specific to fish
魚鰭是魚類特有的特徵。One of the most spectacular is surely that which produced terrestrial creatures bearing limbs, fingers and toes from water - bound fish with fins
最壯觀的變化之一，當然是從只能生活在水裡、身上帶鰭的魚類，演變出具有四肢、指與趾的陸生生物。Fish community composition was different among the sampling areas of niushan lake. small fishes, mainly acheilognathinae, were the most abundant in the centre area. the other areas were mainly c. erythropterus and t. swinhonis
中片的小型魚類以（魚旁） （魚皮）為主，而西片和東片則以紅鰭原?和似（魚喬）為主，這與不同湖區的兇猛性魚類數量有關。For years there have been arguments that the pacific ocean blue fin we have, are a different species than the blue fin in the atlantic ocean. the reason of the argument is the claim that the pacific blue fin are smaller, only perhaps a hundred pounds, compared to the atlantic ocean blue fin which are over a thousand pounds
多年來人們一直就藍鰭吞拿魚有所爭論，人們說太平洋的藍鰭吞拿魚，跟大西洋找著的不是同一族類，漁民把它們視為不同族類的主要原因，是因為太平洋的藍鰭吞拿魚，體積很小，它們可能有一百磅，但大西洋的藍鰭吞拿魚，可以超過一千磅重。分享友人