dorsal fin造句

• The shark ' s dorsal fin was cut off by the fisherman
  鲨鱼的背鳍被渔夫割了下来。
• And , its dorsal fin was no longer floppy
  此外，幼豚的背鳍亦已显得坚挺。
• Association between type and type venom glandular cells of in dorsal fin spine of stonefish ( inimicus japonicus ) was studied by light microscopy and electro microscopy
  日本鬼背鳍棘毒腺中有两种类型毒腺细胞? ?型细胞和型细胞。
• 3 - pale bronze egg - phoenix belonging to the egg type , the pale bronze egg - phoenix lacks a dorsal fin and its smooth back and oval body shape make it look like a duck egg
  $ 3 -淡紫蛋凤淡紫蛋凤属蛋种。背部光滑无鳍，体短而圆，有若鸭蛋。
• The unsymmetrical phenomenon of the wave form of dorsal fin undulation is discussed and a description is given on basis of parameterized formulation
  分析了“鸳鸯炮弹”背臀鳍的相位关系,揭示了其稳态巡游时背臀鳍波动相位随时间变化的一致性和协同性。
• As i have shown with the pictures here ( going in reverse ) , males slowly transform from a soft tan to a dark neon blue , with a gorgeous orange stripe on the dorsal fin
  请参考一下旁边的图片，雄性会从棕褐色慢慢的变成深蓝色，同时背鳍上顺延出一条金黄色的条纹。
• As the assisting dolphins continued to encourage the baby to surface close to its mother we could see quite clearly its floppy dorsal fin - it takes some days for the fin to become strong enough to stand on its own
  在旁的海豚则不断鼓励小海豚冒出水面并靠近母豚，此时可清楚看见幼豚的背鳍仍然相当柔软，小海豚的背鳍需要一段日子才可长得坚硬。
• 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
  在透射光下观察，耳石磨片、背鳍条磨片和脊椎骨上宽的暗带与窄的亮带相间排列，亮带与外接暗带的分界处为年轮。
• Internal bones are highly ossified ; base of dorsal fin broad , about 1 / 4 of total length of the fish ; more than 10 pieces of ventral caudal fulcra . teleostei family lycopteridae cockerell 1925 genus jinanichthys ma et al . ,
  其骨鱼类kleostel狼鳍鱼科lycopteridaecockerell 925吉南鱼属jinanichthysmaetal 1988属型种ltcopteralongic印halusliuetal
• Individual pink dolphins can be identified from the unique colour , shape and scarring on their dorsal fins and wwf have been using this identification technique to establish a catalogue of whos who in the hong kong pink dolphin world
  凭照片中海豚背鳍上独有的颜色型状及疤痕可辨认个别白海豚，世界自然基金会一直沿用此辨认技术辨识个别白海豚及替白海豚成立了谁是谁辨识目录。
• The measurements used are fork length , head length , upper jaw length , snout length , length of dorsal fin base and anal fin base and the distances from the tip of snout to insertion of dorsal fin , to pectoral fin , to ventral fin and to hard margin of preopercle
  此所用于分析之外部非体节形质计有：尾叉长、头长、上颚长、吻长、眼径、背鳍基底长、臀鳍基底长以及吻端到前鳃盖骨后绿、背鳍起点、腹鳍起点、臀鳍起点等11个形质。
• 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
  对8龄以下个体，用背鳍条磨片鉴定年龄效果最佳；对8龄以上个体，臀鳞、背鳍条磨片和脊椎骨上的年轮计数明显低于微耳石磨片，微耳石磨片上的年轮计数最高，是高龄青海湖裸鲤可靠的年龄鉴定材料。
• Diagnostic characters for the recognition of species include the presence or absence of pectoral fin , the position of dorsal fin origin , gill opening , anus , nostril opening and eye , the cirri present or not , the dentition type , the body coloration , and the head pores or lateral line etc
  一般依据胸鳍的有无或发达程度，背鳍起点、鳃孔、肛门、鼻孔和眼等的相对位置，颌的发达程度和颌上是否具须，齿的形状和排列方式，身体的斑纹，以及头部和体侧的侧线孔数目等进行鉴别。