一种鱼

They were simply universes that weren't quite complete in themselves and could only exist by clinging on to a host universe, like remora fish.

它们就是些个宇宙，因为自身不够完善，只得依附寄主宇宙存在，就像鮣鱼(译注：一种吸附在鲨鱼或其他大型鱼类身上的鱼)。

A new method for estimating parameters is proposed due to the characteristics of artificial fish school algorithm such as overcoming the local optimal value and robustness. Firstly, the parameters of production function are constructed into the artificial fish and residual sum of squares is designed into the function of food consistence, secondly, the parameters of production function are estimated by the random behavior, preying behavior, swarming behavior and following behavior.

基于人工鱼群算法能够克服局部极值、鲁棒性强等特点，给出了一种生产函数中参数估计的通用新方法，该方法首先将生产函数模型中的参数构造成人工鱼模型，利用残差平方和设计食物浓度函数，然后通过人工鱼的随机、觅食、聚群、追尾等行为，对生产函数中的参数进行估计。

A freshwater fishPterophyllum scalare,native to rivers of tropical South America and having a laterally compressed,usually striped body.

天使鱼，神仙鱼南美洲热带河流中的一种淡水鱼，体侧扁平，通常呈条带状，水族馆中常见

Fish is good brain food just as it is good muscle food and skin food and bone food.

鱼是一种很好的健脑食品，而且吃鱼对人的肌肉、皮肤和骨骼发育也同样有好处。

One example of natural speciation is the diversity of the three-spined stickleback, a marine fish which, after the last ice age, has undergone speciation into new freshwater colonies in isolated lakes and streams.

自然物种形成的一个例子是三刺鱼的多样性。三刺鱼是一种海洋鱼类，在最后一个冰河时代，经历了物种形成，成为在孤立湖泊和溪流中的、新的淡水群体。

The results also showed that swordtail fish was more sensitive to these pollutant, and the result with swordtail fish had better reproduplication, so swordtail fish was a kind of good laboratory animals for aquatic toxic test.

在3个营养级别的受试生物中，剑尾鱼对上述毒物具有较好的敏感性，结果稳定，重现性好，说明剑尾鱼是一种优良的水生毒性试验材料。

The joint toxicity of two toxicants to swordtail fish was synergistic in 24h and antagonistic in 48h and 96h, both were treated as ratio 1∶1 of toxi...

剑尾鱼对Hg和Se的最大容许浓度分别为：0.0084和0.064 mg/L。结果还表明：剑尾鱼幼体对Hg和Se敏感，是一种较理想的环境污染指示生物。

Focusing on solving the problem of swaying propulsion, a design of bionic robofish with swaying flexible tail fin is presented.

提出了一种摆动式柔性尾部的仿生机器鱼设计方案，着重解决了机器鱼摆动式推进的问题。

It could be made by meats, like Pate, or vegetable, like this one, or even in dessert, like fruit terrine.

今天我们常在法国餐馆里见到的一种菜名，其实是一种传统的法国蒸煮容器，同时也是法国菜的一种特殊烹调法，主要是将鱼、肉、蔬菜等先行调味，再放入长方型模型中填实，蒸煮定型，食用时切片再淋酱，统称为法国派、手工馅饼、肉冻或蔬菜冻，如果由水果做成的甜点，则叫水果冻。

Any of various small viviparous new world fishes of the family Poeciliidae,of fresh or brackish waters.

浮鲦产于新大陆的一种杂色鱼科小型胎生鱼，生活在淡水或半淡水中

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。