查询词典 geographical distribution

The appearance of the specific levirate custom existing in the Hun and the Hsienpei Tungusic in Han and Wei dynasties is the inevitable results of the laws of geographical environment and social development. Living in the high latitudes and dry cold inland areas, plus being heavily short of virtual zinc, a trace element in soil, lead to a high death rate of child-bearing age women. In order to guarantee a normal birth-rate, the Hun and Hsienpei Tungusic had to adopt levirate to ensure healthy child-bearing age women to give birth to offspring as many as they can.2 Trace element in soil under geographical environment and the cultural process of Huang-huai-hai Plain(the Yellow River, Huai River and Hai River ) in historical period.

本文具体的研究涉及三个问题：地理环境下的土壤微量元素与匈奴、鲜卑的"收继婚"问题：我认为汉魏时期匈奴和鲜卑族中特有的"收继婚"俗的产生，是地理环境和社会发展规律相互作用的必然产物；由于匈奴、鲜卑所处纬度高、气候干燥而寒冷的内陆地区，加之土壤微量元素中严重缺乏有效锌，因而造成了育龄妇女的大量死亡，以致为了保证正常的种的繁衍，匈奴和鲜卑不得不采取"收继婚"的婚姻形式，来确保健康的育龄妇女尽可能的去生育后代。

September 6 to October 16 of the comprehensive survey, the research team took 41 days, more than 7300 km trip, the use of global satellite positioning systems, geographic information systems, remote sensing and other modern high-tech mapping of Sanjiangyuan the 19 regions visited the source and synthesis of observation, was the surveying and mapping, meteorology, hydrology, glaciers, geological, environmental, geographical and other scientific data and information to fill the Sanjiangyuan region to the first of a number of gaps in data on scientific and rational determination of the Yangtze River, Yellow River, Lancang source location, the establishment of a national geographical indications, and other related research has laid a solid foundation.

在2008年9月6日至10月16日的综合考察中，科考队员历时41天，行程7300多千米，利用全球卫星定位系统、地理信息系统、遥感等现代测绘高新技术，对三江源地区有关的19个源头进行了实地考察和综合观测，获得了测绘、气象、水文、冰川、地质、环境、地理等方面的科学数据与资料，填补了三江源头地区地学数据的多项空白，对科学、合理地确定长江、黄河、澜沧江源头地理位置，建立国家地理标志，开展相关学科研究等奠定了坚实基础。

Results showed that from the four different geographical provenances the semilethal temperature of Dendrocalamopsis oldhami decreased with the drop in temperature, and decreased to-5.1 to-8.1℃ in January. Over the winter, POD, MDA, and proline content increased with the drop in temperature, but the ranges differed for different geographical provenances.

结果表明：越冬过程中，4个绿竹地理种源的LT50值均随温度的下降而下降，并在1月份降到-5.10~-8.14℃；各地理种源绿竹的POD活性、MDA质量摩尔浓度和脯氨酸质量分数均随着气温的升高而增加，但上升幅度因种源而异。

In China, two sets of system are used to protect geographical indications, which to some extent hinder the normal development of geographical indications.

地理标志是从最初的货源标志、原产地名称延伸来的；我国对地理标志的法律保护启用两套体制，对地理标志的健康发展有一定阻碍。

Through the form of a certification trade mark protection of geographical indications so that the existing trade marks and give full play to the role of the legal system, there is no need to invest an excessive amount of resources, than the establishment of a new system much easier; geographical indications only in the domestic registration After the certification mark can only be based on China's accession to international treaties ("Madrid Agreement Concerning the International Registration of Marks" and "Protocol of the Madrid Agreement"), to achieve the international registration, and can take full advantage of the priority provisions of the international registration as soon as possible, there are in favor of trademark registration in the domestic and international trade to use legal weapons to protect their own rights and interests.

通过证明商标形式保护地理标志使现有商标法律制度充分发挥作用，无须投入过多的资源，比建立一个新的制度容易得多；地理标志只有在国内注册证明商标后，才可以依据我国加入的国际条约（《商标国际注册马德里协定》和《马德里协定有关议定书》），去实现国际注册，并且可以充分利用有关优先权的规定，及早获得国际注册，有利于商标注册人在国内、国际贸易中运用法律武器保护自身权益。

The 54 accessions were classified into five major groups:Ⅰ,Ⅱ,Ⅲ,Ⅳ and Ⅴ by cluster analysis using UPGMA, which showed significant relationship with the origin regions of accessions. Genetic differentiation between and within eight eco-geographical groups of C.dactylon was estimated by Shannon's diversity index, which showed that 63.81% genetic variance existed within group, and 36.19 % genetic variance was among groups, indicating rather large genetic distances among those germplasm, and there was a correlation between genetic differentiation and eco-geographical habits among the groups.

聚类分析结果表明，52份材料可聚为5类；基于Shannon多样性指数估算了8个狗牙根生态地理类群内和类群间的遗传分化，类群内的遗传变异占总变异的63.81%，类群间的遗传变异占总变异的36.19%，表明这些抗源材料遗传差异较大，各生态地理类群间的遗传分化与其所处的生态地理环境具有一定的相关性。

Analyzing the relations among betulin content and growth status, geographical location and climatic factors, it was found that the effect of growth status on betulin content was not significant, and betulin content was not only affected by self-provenance and heredity background but also by geographical location and climatic factor.

进一步分析可得，同龄树种的生长状况对白桦酯醇的含量影响不显著；而白桦酯醇的含量不仅受自身种源及遗传背景的影响，同时也受到其所处地理位置和气候因素的影响，即属于基因与环境互作的表现性状。

However, as a result of human activity especially moorland is reclaimed, the aggravate that uses favourable geographical position waiting for earth of chemical fertilizer to use an activity in great quantities, and large-scale disafforest and habitat are broken the change that spends favourable geographical position waiting for earth to use structure, played havoc with natural landscape, the change moves floral to live environment, make ecosystem function degrades, brought about the forfeiture of biology diversity finally.

然而，由于人类活动尤其是荒地开垦、化肥的大量使用等土地利用活动的加剧，以及大规模砍伐森林和栖息地破碎化等土地利用格局的改变，严重破坏了自然景观，改变动植物的生存环境，使生态系统功能退化，并最终导致了生物多样性的丧失。

UPGMA cluster analysis based on Nei's unbiased measures of genetic identity was assayed for five geographical groups of Elymus nutans, indicating that there was a significantly positive correlation between genetic differentiation and geographical habits among the five groups.

对各地理类群基于Nei氏无偏估计的遗传一致度的聚类分析表明，各地理类群间的遗传分化与其所处的地理生态环境具有较高的相关性。

Available geographical data of glireswere collected to build their digital distributionmap in the humid regionof China based on habitat analysis supported by GIS. Using the equal-area grids of 6 470 km2as geographical units,the distributional patterns of glires in the humid and semi-humid and semi-humid region of China were studied.

系统收集并整理了我国湿润半湿润地区啮类动物的地理分布资料，基于GIS技术，通过生境分析，确定了每个物种的分布范围，采用6 470 km2的等面积栅格作为地理分布单元，系统研究我国湿润半湿润地区啮类动物地理分布规律。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。