叉尾 meaning in English
forktail
furcate tail
Examples
- Rech . fork joints for control linkage . model with threaded end .
操纵连杆用叉形接头.叉尾柄带螺纹的式样 - Immunogenicity of crude lipopolysaccharide of three pathogenic bacteria to channal catfish , ictalurus punctatus
对斑点叉尾?的免疫原性 - The deduced amino acid based on cdna is very similar to channel catfish ( ictaluruspunctatus ) , which is as high as . 83 %
推导的氨基酸序列与斑点叉尾删脑型垮化酶的同源性最高（ 83 ） 。 - Cytochrome b gene compared with characiforms , cypriniforms and salmoniforms ; ( 2 ) the molecular phylogenetic trees suggest that siluriforms form a monophyletic group and have a close relationship with characiforms ; ( 3 ) the families of pangasiidae , claroteidae , ictaluridae , cranoglanididae , schilbidae and clariidae form a monophyletic group in the three molecular phylogenetic trees . the family bagridae branched with schilbidae which comes from china ; the family akysidae branched with amblycipitidae , but the phylogenetic positions of the families siluridae , sisoridae and pimelodidae are not recognised
鱼芒科、棘脂?科、叉尾?科、长臀?科、刀鲇科与胡子鲇科在三种方法构建的分子系统树中均结合在一起，形成一大单系群； ?科均与来自中国的刀鲇科鱼类聚在一起；粒鲇科与钝头跪科也均聚在一起；但鲇科、 ?科和油鲇科的系统发育位置不定。 - The percentage of polymorphic sites , degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method . the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified . these sequences , together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics
汝us价ay1830 )各12个个体进行rapd分析，对比多态位点比例、遗传多态度以及遗传距离，并构建neighbor - join吨系统树;通过pcr扩增出线粒体165rrna基因，纯化后直接测序，利用生物信息学方法进行序列分析和核昔酸变异比较，结合ge红bar止中大西洋叉尾带鱼( lepid (护脚caud玫tuseuphrasen1788 )同源序列构建u甲cm叭系统树。