查询词典 cephalopod

For the purpose of providing some reference to the researchers, studies of microchemical structure of cephalopod statoliths were reviewed.

随着鱼类耳石微化学研究及应用的日趋成熟与完善，头足类耳石的相应研究也逐渐兴起。

Along with traditional world economic fisheries resource decline, the exploitation and utilization of Cephalopod resource have been recognized generally in the world and studies on resource condition and biology were made much progress.

中文摘要：随着世界传统经济渔业资源的衰退，头足类资源的开发和利用得到各国的普遍重视，对其资源状况、生物学等方面的研究得到不断地开展。

In fact, this discovery filled the gaps of evolution from cephalopod to the vertebrate.

头索动物与脊椎动物之间的演化空白由此得以填补。

Cephalopod mollusk of warm seas whose females have delicate ''.

温暖海洋中的头足类软体动物，雌性有精致的象纸一样的螺旋状壳。

The traditional methods such as morphology and ecology have provided basic tools for identifying the cephalopod structure, in which the way based on statolith aging has become important.

分析认为，头足类种群结构的研究在世界范围内已经取得了很大的进展，传统的形态学和生态学方法为其鉴定提供了基本的手段，其中利用耳石对其生长和产卵季节等进行推算是当前研究的主要手段之一。

M in the Region of East China Sea in 2000,the spatial distribution patterns of cephalopod assemblages were analyzed by using cluster analysis and non-metric multidimensional scaling.

由于过度捕捞和环境变化，传统的鱼类资源急剧下降，近年来头足类资源的产量不断增加[1]，人们越来越关注头足类资源的开发利用。

The one-way ANOSIM test was used to test the null hypothesis of difference between cephalopod assemblages.

东海区头足类种类丰富[2]，长期以来一直是东海区的主要捕捞对象之一。20世纪70年代以前主要利用曼氏无针乌贼，到了20世纪90年代以

A cross-section of a nautilus shell in Boston shows the spiral of chambers, called camerae, that this cephalopod builds for itself as it grows.

一只横截面的鹦鹉螺壳在波士顿展示螺旋形的腔，叫做照相机，这是头足动物建造为它自己因为它要成长。

A small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many chambered shell in a .

旋壳乌贼属的热带小型头足类动物，眼睛突出，臂短，多个隔间的壳成扁平的状。

In this paper, the current study about the population identification method for cephalopod has been discussed from the aspects of morphology, ecology, biochemistry and molecular genetics in details, the results show that the great progress has been made in the world.

从形态学、生态学、生物化学以及分子遗传学等方面，较为系统地阐述了世界各国在头足类种群鉴定方面的研究现状。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。