纲

Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid scales and including the sharks, rays, and skates.

属软骨鱼纲的鱼软骨鱼纲鱼的一种，以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐

The present paper deals mainly with the comparison of the important characters among the different groups of the Class Protura, and a cladistic analyses based on these characters. All the results support the new suggestion for regr...

本文拟就原尾纲不同类群的成虫和幼虫主要特征进行分析和比较，结果证明原尾纲分为 3目 10科，更符合原尾虫客观发展的自然规律。

A gastropod of the subclass Pulmonata.

腹足纲的，具有腹足纲特征的

The results are summarized as follows : the number of significance factor increase with the speed, but up to certain speed, the number is invariable; both upper and lower bridles do not affect the net＇ s performance under different speed; while weights and buoyancy are the main affecting factors.

结果显示：显著性因子个数随拖速增加而增加，但到一定拖速后显著性个数不变；在不同拖速条件下，上手纲和下手纲变化对网具性能的影响均不大；重锤和浮力在不同的试验条件下，均是网具性能的主要影响因子。

The girds near the wall and mixing fields of the jet-to-crossflow are got finer.

从理论上推导了射流轴线轨迹方程，并且通过量纲分析，得到了倾斜坐标系下无量纲的射流轨迹，从而将射流入射角度α、射流与主气流速度比R、射流出口直径D等参数同时引入到了射流轨迹方程中。

First-line Realisty to the writer: PS as business card printing in one of the main plate, bearing in mind that in choosing?

一线夸弛笔者：PS版作为制卡洋的一栽次给版材，在选购洋给夺纲什么题纲？

Parker is also back to the village, to hand the report of the gang, the gang sent every day in hand, well field, mute, Li went to support four and three seals.

帕克也赶回了村子，向纲手报告了该情况，纲手派天天、井野、静音、小李四人前去支援并封印三尾。

The most varied and numerous species of crop pests are arthropods-insects, arachnids and some species of millipedes and crustaceans.

种类最多和数目最大的作物害虫为节肢昆虫、蛛形纲动物和某些种类的节肢动物和甲壳纲动物。

The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.

有爪纲节肢动物的一个纲，常见于热带或温带森林中，既有环节动物又有节肢动物的某些特点

Here, culter "" refers to the paper in the direction perpendicular to the paper on warp, paper orientation, walk in the past, you will see both sides of the paper or production up and erect.

这里说的&翘&，是指纸弛在笔直于行纸标的纲的上爆不收的翘曲，这时逆着行纸标的纲的看功去，不离会看到纸弛或制品的单方进取翘。

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。