脊鰭 的英文怎麼說

中文拼音 [jǐqí]
脊鰭 英文
dorsal fin
  • 脊 : 脊同 「脊」
  • 鰭 : 名詞[書面語] （魚類的運動器官） fin
  1. It also gives it a variety of common names, including little piked whale, pikehead, and sharp - headed finner

    它還有許多的別名如：小須鯨，矛頭魚，脊鰭鯨。
  2. The interpretability of four kinds of ageing materials are as follows : sectioned dorsal fin spine > sectioned lapillus > scale > vertebra. sectioned dorsal fin spine is the best material in ageing of the fish less than eight years. as for the fish elder than eight years sectioned lapillus is the reliable ageing material that had more annulus readings than scale, dorsal fine spine and vertebra

    對8齡以下個體，用背鰭條磨片鑒定年齡效果最佳；對8齡以上個體，臀鱗、背鰭條磨片和脊椎骨上的年輪計數明顯低於微耳石磨片，微耳石磨片上的年輪計數最高，是高齡青海湖裸鯉可靠的年齡鑒定材料。
  3. Observed in perspective light, wide opaque zones and close translucent zones arrange alternately on sectioned otolith, sectioned dorsal fin spine and vertebra. the joints between the wide zones and close zones are the annulis. 2

    在透射光下觀察，耳石磨片、背鰭條磨片和脊椎骨上寬的暗帶與窄的亮帶相間排列，亮帶與外接暗帶的分界處為年輪。
  4. China has a great variety of wildlife, over 4, 400 vertebrates, more than 100 rare species of the world : the giant panda, the golden monkey, the white - lipped deer, the south china tiger,

    中國擁有脊椎動物4400多種，大熊貓、金絲猴、白唇鹿、華南虎、褐馬雞、白鰭豚、揚子鱷、丹頂鶴等百余種中國特產的珍稀動物。
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