查询词典 potamic

Dongting basin was shaped not only by tectonic movement but also by potamic and anthropogenic influence.

洞庭湖是由构造运动奠定基本格局，又叠加了江河作用以及人类活动的多因素的混成湖。

At present, the potamic administration in China is based on regionalism, assisted by catchmant management The catchment management organization, with the local government, esp.

当前我国的大江大河实行的是以区域管理为主、流域管理为辅的管理体制。

Fish species have decreased from 80 in 1950s to 52 at present, and the rate of migrant and potamic s...

因此，江湖阻隔对湖泊渔业具明显影响，且正导致野生鱼类资源的进一步衰退。

Here, we took demonstration study of the ecological impacts of disconnection from the river on fish recources in Zhangdu Lake. Our results showed that:(1) Fishery mode changed and the rate of wild fishery production changed from 95% in 1949 to less than 5% in 2002.(2) Fish species have decreased from 80 in 1950s to 52 at present, and the rate of migrant and potamic species decreased from 50% in 1950s to 30% at present.

我们以涨渡湖为例开展江湖阻隔后对单个湖泊鱼类资源所产生的生态影响进行研究，结果表明：江湖阻隔导致湖泊生产经营方式改变，使得野生渔业产量的比例由1949年的95%，降低到2002年的不足5%；江湖阻隔后湖泊鱼类种类由50年代约80种下降到现在的52种，其中，洄游性和流水型鱼类比重由50%下降至不足30

By using the enthusiastic color and potamic cosmic form, the author wants to implicit a lofty spiritual mental realm and an ideal pursuit of be honest all the time.

作品借热烈的色彩与江河般的宇宙形态，寓意崇高的精神境界和从善如流的理念追求。

Based on abundant materials, it reviewed the research object in the specific context of music development in Changjiang valley in different dynasties, represented the multiplicity and parataxis of potamic musical culture ecology, showed the writers excellent academic train of thoughts.

在占有丰富资料的基础上，它将研究对象置于我国长江流域历代音乐发展的具体语境中加以考察，表现了江河音乐文化生态的多面性和互补性以及审视音乐的多侧面视角，显示出优良的学术思路。

After an exhaustive investigation, we found P. fengdouensis only grown in three potamic islands in the border of Fengdu and Zhongxian and Banan counties of Chongqing City and a total of 290 plants were identified.

通过多年的调查，发现该种仅分布于重庆市忠县、丰都县和巴南区等3个长江江心岛上，总共290株。

Here, we took demonstration study of the ecological impacts of disconnection from the river on fish recources in Zhangdu Lake. Our results showed that:(1) Fishery mode changed and the rate of wild fishery production changed from 95% in 1949 to less than 5% in 2002.(2) Fish species have decreased from 80 in 1950s to 52 at present, and the rate of migrant and potamic species decreased from 50% in 1950s to 30% at present.(3) Comparing with the linking lake, Zhangdu Lake had higher fishing production, larger individual size, fewer species number and lower diversity index of "mihunzheng" fishery, a universal fishing tool in Yangtze.

我们以涨渡湖为例开展江湖阻隔后对单个湖泊鱼类资源所产生的生态影响进行研究，结果表明：江湖阻隔导致湖泊生产经营方式改变，使得野生渔业产量的比例由1949年的95%，降低到2002年的不足5%；江湖阻隔后湖泊鱼类种类由50年代约80种下降到现在的52种，其中，洄游性和流水型鱼类比重由50%下降至不足30%；迷魂阵渔获物在单位产量、个体大小上极显著(p 0.01)地高于通江湖泊，但在物种数和多样性指数上则要低得多(p 0.01)。

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。