查询词典 urchins

For instance, it appears the ancestor of brainless starfish and sea urchins had a brain.

例如，无脑海星和海胆的祖先似乎曾有大脑。

"Echinoid:an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins."

"海胆：一种属于海胆纲的棘皮动物，包括沙钱和海胆。"

These are elegant looking creatures which belong to the echinoderm family like Sea Urchins and Starfish.

要不是具有用来捕食的细长肢条，它们看起来非常像海星。

Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an internal calcareous skeleton and often covered with spines.

棘皮动物任一种属于棘皮动物门的许多呈辐射对称状的海生无脊椎动物，包括海盘车、海胆和海参，内部骨架含钙，常覆盖有棘针

Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata,which includes the starfish es,sea urchins,and sea cucumbers,having an internal calcareous skeleton and often covered with spines.

棘皮动物任一种属于棘皮动物门的许多呈辐射对称状的海生无脊椎动物，包括海盘车、海胆和海参，内部骨架含钙，常覆盖有棘针

He allowed these "enucleated" eggs to be fertilized by sperm from sea urchins of the genus Echinus.

他让这些"无核"的卵跟海胆属的海胆的精子受精。

With the urchins gone, it was up to another grazer, the colourful parrotfish, to keep the algae under control.

没有了海胆，就得靠另一种食草动物——色彩斑斓的鹦嘴鱼——来控制藻类。

Erns in Nature: Sea Urchins Sea urchins nestled in a Pacific kelp bed off California offer a sharp contrast in shapes between kelp tendrils and urchin spines.

海胆的巢穴在一片太平洋的海藻床离开加利福尼亚提出清楚的对比在外形在卷须海藻和海胆刺状突起之间。

The same sea urchins, sea urchins but the two places has a qualitatively different.

同是海胆，但是两地的海胆却有着质的不同。

The hook to the visceral sea urchins, sea urchins, then filled in five minutes to steam.

在钩出海胆的内脏后，再把蛋白倒进海胆内蒸5分钟即可。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。