nekton
- n.游泳动物;自游生物
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Multivariate analysis of nekton composition in Pearl River estuary waters
珠江口游泳生物组成的多元统计分析
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Distribution of nekton stock density and its community structure in Taiwan Strait in Summer and Autumn
台湾海峡夏秋季游泳动物资源分布及群落结构
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The change of community structure of nekton in the waters off southern Shandong Peninsula in spring
山东半岛南部水域春季游泳动物群落结构的变化
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The results of cluster analysis showed that the similarity of nekton community was low in two years , and the community structure had changed .
聚类分析结果表明,两次调查游泳动物群落相似性较低,群落结构发生了变化。
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The species composition , biological characteristics and seasonal variation of nekton were analyzed by principal component analysis , regression analysis and hierarchical cluster analysis .
采用主成份分析、回归分析和聚类分析等统计学方法分析游泳生物的组成、生物学及季节变化等特征。
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Fishes , crabs , octopus , are part of nekton .
鱼类、蟹类、章鱼都是自游动物的组成部分。
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Compared with the result of the early 1960s , the diet composition of small yellow croaker has greatly changed from zooplankton to nekton .
与20世纪60年代初研究结果比较发现,小黄鱼食物组成发生很大的变化,由以往的浮游动物为主演变为目前的游泳动物为主;
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If Nekton 's metal creations do succeed in ocean tests and become as capable in the sea as fish , another difficulty may arise : their size means that they might be mistaken as bait .
如果耐顿的这种金属创作在海洋测试中获得成功,能像鱼儿一样适应海洋,有可能会面临另一个难题:这些东西这麽小,很容易会被大鱼当成饵吃掉。
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Species richness of nekton community from 2006 to 2007 , in water depth shallow than 60m higher than the 1997 to 1999 , were lower than in the 60m to deep levels from 1997 to 1999 .
2006年~2007年游泳生物种类丰富度仅在60m水深以浅高于1997~1999年,在60m以深均低于1997~1999年水平。
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Crenshaw deciphered the algorithm of the twisting motion , known as helical klinotaxis , and assisted Nekton 's team in applying it to the robots , in essence crafting a new guidance technology .
克伦肖解算出「螺旋状调转趋性」这种扭摆运动的运作法则,并协助耐顿研究所的团队设计机器人,基本上是要发展出一种全新的导向技术。
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An analysis on the stock density and community structure of nekton in Taiwan Straits indicated that the average stock density was 8.50 kg · h ~ - 1 in Summer and 6.94 kg · h ~ - 1 in Autumn .
结果表明,台湾海峡夏季平均资源密度指数高于秋季,分别为8.50和6.94kg·h-1;
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The results indicate that nekton in the waters are mainly coastal or estuarine small body species adaptable to the water environment of high temperature and low salinity , mostly consisting of individuals of the same year , which were the principal parts of the nekton group .
结果表明,珠江口水域的游泳生物主要是沿岸性或河口性的小型种类,基本由当年生个体组成,它们与高温低盐水环境特征相适应,构成珠江口游泳生物组成的主体。