Finally they tied ropes to the shark's tail fin and behind its pectoral fin, and attached these ties to the rescue vessel, which towed the shark out through the harbour estuary.
最后他们用绳子绑在鲨鱼尾鳍和胸鳍后面，把绳子绑在救援船上，将鲨鱼拖出港口。
The eye sac, ear vesicle, heart, digestive tract, kidney, swim bladder, pectoral and tail fin were developed preferentially.
在整个发育过程中，眼、耳囊、心脏、消化道、肾脏、鳔、胸鳍和尾鳍等得到了优先发育。
The regression tests in which separated bacteria were injected in the bottom of pectoral fin were all presented with symptoms similar to the natural incidence.
分离菌经胸鳍基注射回归感染试验均出现与自然发病相似的症状。
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