查询词典 population explosion

According to the data of the analyses,revealed the population of Cryptomeria fortunei exhibited clump distribution pattern,single-dominant community type,sporadic type population structure and is able to natural regenerate...

柳杉种群呈典型的集群分布，并随个体的增大，由集群分布向随机分布发展的趋势，为间歇型的种群结构。通过对天目山柳杉的起源及其更新类型的探讨表明：天目山柳杉林属天然林与人工林共存状态，并可通过幼苗库进行天然更新，但具有机会性和波动性，需林窗和林内倒木等条件。图3表2参25

Based on the analysis of the characteristics of natural resources and population in this region, this article analyzed the interact results between population and resources, and pointed out a series of measures and suggestions on how to improving the currant relationships.

本文在分析西部地区自然资源条件和人口状况的基础上，研究了西部地区人口与自然资源相互作用的形式和后果，并提出了一系列改善西部地区人口与环境关系的对策和建议。

Synthesizing the pattern on the level of genet and clone population, Cycas fairylakea population tends to be contagious.

综合分析基株种群和无性系种群的分布格局，可以判断仙湖苏铁种群分布格局趋向于聚集分布。

Investigating the ecology environment and present situation of the endemic Cycas plants to Yunnan, especially the population structure and dynamics of C. Hongheensins and C. tanqingii. The results show that C. hongheensis is a critically endangered species because the number its individuals had decreased by 47% from 1992 to 2002 and no flowering and fruiting tree has found. While the population of C. tanqingii in Xiaoheijiang River is in a status of restoration because there are more young individuals and its age structure takes on the relatively stable shape of pyramid.

对云南苏铁属特有植物的生态环境、现状等进行了较为全面的调查，特别是对红河苏铁、潭清苏铁的种群结构和动态进行较为详细的调查，结果表明红河苏铁是一个极度濒危的种，2002年的个体数量比1992年减少了47%，连续3年的调查未发现具繁殖能力的个体；而潭清苏铁种群的年龄结构基本呈金字塔形，属较稳定的结构，且处于恢复期，繁殖更新基本正常。

The result is that the population is growing, but the proportion of the high-quality population is decreasing.

造成的结果就是虽然人口数量在增长，而高素质人口的比例却在下降。

Carl Haub is a demographer with the P.R.B."The population data sheet is an annual demographic survey, in which we gather demographic population statistics from all countries over the world."

Carl Haub 是人口参考局的一位人口统计学家，他说：人口数据表就是一项年度人口调查，在这项调查中我们搜集了世界上所有国家的人口统计表。

Combined with individual characters of special-area population,it is a great mission for Demology to apply the method of population estimate-indirectly creatively.

创造特殊区域的人口预测原理和方法是人口学工作者义不容辞的责任。

Based on the rising suburbanization in China, this thesis focuses on the unique phenomena of large number of floating population flood into the suburb area. By using the integrated methods and views including sociology, demology, environmental science, the author studies on the causes of a series problems triggered by the huge increasing floating population and tries to use the new thought to resolve the problems.

本论文主要针对近年来在我国许多大城市进行工业郊区化的背景下，流动人口大量向城市郊区农村地区集中这一独特现象进行研究，综合运用社会学、人口学和环境科学的观点和方法，对这一过程中郊区农村因外来流动人口剧增而引发的一系列社会、环境问题的产生原因进行探讨，并寻找解决问题的思路。

Tibet is an area with sparse population in our country, but Sichuan is the province with dense population.

和去年相比，我国的旅游业今年又有了更大的发展。

According to the 1991 Northern Ireland census, there remained only 131,974 people, or about 8.8% of the population who could speak Gaelic, particularly on the southern and western regions of the country. The greatest urban concentration of Gaelic speakers, however, was in Belfast, where 27,430 were found. In second place with metropolitan Derry, with 9,731 people. In a few Local Government Districts, Gaelic speaks numbered 30% of the population, and even as high is more than 50%.

根据1991年的人口普查，目前北爱尔兰会说爱尔兰语的人数只有131，974，约8.8%，特别是在南区、以及西区，不过，人数最多的还是在贝尔法斯特，有27，430人，其次是在第二大都会区 Derry ，有9，731人；在一些「地方政府区域」，会讲爱尔兰语的人超过30%、甚至於一半以上。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。