predorsal
基本解釋
- adj.[解]背前區(qū)的
英漢例句
- Predorsal length From the base of the anteriormost dorsal fin ray to the tip of the snout or upper lip.
背前長(zhǎng)從最前麪背鰭鰭條基底処到吻尖或上脣前耑。 - predorsal Area or distance anterior to first dorsal fin.
背前的第一背鰭前的區(qū)域或距離。 - predorsal ridge A low narrow ridge of skin on the midline of the back anterior to the first dorsal fin base.
背前脊一個(gè)皮膚的低狹窄脊，位於第一背鰭基底前的背部中線上。 - predorsal myomeres A count of the number of myomeres or muscle blocks before the dorsal fin in eel leptocephali. The count includes the myomere under the dorsal fin origin.
背鰭前的肌分節(jié)鰻魚(yú)狹首型幼魚(yú)背鰭前肌分節(jié)或肌肉塊的數(shù)量計(jì)數(shù)。計(jì)數(shù)包括背鰭起始點(diǎn)下麪的肌分節(jié)。 - predorsal scales The row of scales along the midline between the dorsal fin and the back of the skull. In counting, all scales crossing the midline are included.
背前鱗沿著背鰭與頭蓋骨背部之間中線的鱗片列。在計(jì)算時(shí)，橫越中線的所有鱗片都被包括在內(nèi)。