池塘鱼

Your garden pond could become overtaxed, ecologically, if you add too many fish too quickly.

你的花园池塘可能成为过度，生态，如果你添加太多的鱼太快。

Animal and crop waste can be used to fertilize the pond and feed the fish.

动物和饲料可以用于给池塘施肥和喂鱼。

Widely distributed in Central America of fresh water and salt waters, the United States for the main freshwater aquaculture species. 1999 U.S. freshwater aquaculture production accounted for about 81 percent of the large warm-water species of fish, fork spots to fish tail as the Ministry of Agriculture to promote the country's fresh water breeding improved varieties have a very obvious advantages: First of Table no scales no small thorn, processing convenience and the other is the quality and refine, nutrient-rich, easy to digest and absorb the third is of miscellaneous eating habits, fast-growing, high yield, strong adaptability and easy to keep the fourth character is tame, like cluster activities , High density of aquaculture, particularly the pond custody and cage culture Fifth Tansi, easy fishing, Youdiao suitable for the development of leisure industry.

广泛分布于美洲中部的淡水和咸水水域，为美国的主要淡水养殖的品种。1999年约占美国淡水养殖总产量的81%，该鱼种是大型温水性淡水鱼类，斑点叉尾回鱼作为农业部向全国推广的淡水养殖的优良品种具有很明显的优点：一是体表无鳞没有小刺，加工方便；二是内质细嫩，营养丰富，容易消化吸收；三是食性杂，生长快，产量高，适应性强，易于饲养；四是性格温顺，喜好集群活动，可以高密度的养殖，特别是池塘主养和网箱养殖；五是贪食，易垂钓，适合发展休闲游钓业。

I see a fish in the pond.

我看见有一条鱼在池塘里。

Another reason is they can be a big fish in a small pond.

另一个原因是，他们可以在一个小池塘里的鱼。

There was a big garden with lots of trees and there was a pond with fish in it.

有一个大花园同地段的树木和有一个池塘的鱼。

But it could also mean a larger fish is suddenly a guppy in a bigger pond.

但它可能也意味着，一条比较大的鱼游到一个大池塘后会突然变成小不点。

At the edge of the woods there was a pond, and there a minnow and a tadpole swam among the weeds.

树林边的一个池塘里，一条小鲦鱼和一只小蝌蚪在水草间游来游去。

Now, I can appreciate that the heron is a marvelous and unique creature. But I don't ever want to spot him in my backyard! That's because I know he won't be there just to admire the garden. No, this not-so-fine-feathered version of persona non grata will be checking out our pond for a take-out fish dinner!

我也欣赏蓝鹭，因为它是奇特的生物，但我却不想在我家后院见到它，因为它并不是来参观我家花园，这个不受欢迎的羽毛动物，只想捞起我家池塘的小鱼当晚餐。

She likes to pick up fallen leaves, watch the marching ants and crawling tortoises and spiders, and chase after moving objects such as dogs, cats and even strollers with babies, or fish swimming in the pond at the backyard.

她喜欢捡拾地上的落叶，观看蚂蚁排阵蠕动、乌龟和蜘蛛爬行、后院池塘里的鱼，及追逐诸如狗、甚至婴儿车等会移动的物体。

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。