No dorsal ridge was found in the egg surface.
卵表面在光镜下未见有卵脊。
The shark's dorsal fin was cut off by the fisherman.
鲨鱼的背鳍被渔夫割了下来。
A second part of the brain is called the dorsal stream.
大脑的第二个部分叫做背流。
The ulnar dorsal branch of the little finger was absent.
小指尺侧无指固有神经背侧支。
Its dorsal fin was in front of me. I was screaming for help.
它的背鳍就在我的前面，我尖声呼救。
The wing is a flattened evagination of the dorsal body wall.
翅是昆虫背板的片状翻出物。
However, the role of the dorsal pathway in reading is complex.
腹侧通路与背侧通路是视觉加工的两条通路。
His dorsal fin was down and his huge pectorals were spread wide.
它的脊鳍朝下耷拉着，巨大的胸鳍大张着。
We know this because we can distinguish the male by their large dorsal fin .
我们能知道是因为可由大背鳍区别为雄性。
Dorsal position was adopted in the first group and hugged-erect position in the second group.
第一组均采用仰卧位透视，第二组均采用抱立位透视。
Dorsal position was adopted in the first group and hugged-erect position in the second group.
第一组均采用仰卧位透视，第二组均采用抱立位透视。
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