查询词典 decrease in population

The nearer a society approximates to zero population growth, the older its population is likely to be.

一个社会的人口增长率越接近零，它的人口年龄就可能越老。

The results showed that the differences of spatial changes between cultivated land and population in Shaanxi Province are significant. However, the change distribution pattern is basically identical. There is little relative change in southern Shaanxi, while it is volatile in northern Shaanxi and central Shaanxi plain. The cultivated land gravity moves 11. 67 km to northeast during the past 52 years, and the population gravity moves 17.35 km to northeast. The whole trends of them are alike and the distance between two canters of gravity pushes 6.29 km close.

结果显示，陕西省耕地和人口各自空间变化区域差异显著，但变化分布格局大致相同，陕南地区相对变化较小，陕北地区和关中地区中部部分区域相对变化较大。52年来耕地分布重心向东北方向移动11.67 km，人口分布重心向东北方向移动17.35 km，两者整体走势相似，两重心之间的距离推近了6.29 km。

In 2006, about 45% of the world's population and more than half of the U.S population lived along or near coasts.

在 2006 年，大约 45%的世界的大众而且超过一半的美国人独自住在海岸的附近。

By 6% PAGE, it was found that there were two kinds of diapause-associated proteins(pI 5 3,4 7) in the hemolymph of diapausing larvae from Henan population and one kind of DAP(pI 4 7) in the hemolymph of diapausing larvae from Shanghai population of Ostrinia furnacalis. The DAPs of O.

用6%聚丙烯酰胺凝胶电泳，在亚洲玉米螟Ostrinia furnacalis河南种群滞育幼虫血淋巴中发现了2种滞育关联蛋白，它们的等电点分别为5.3和4.7；而在亚洲玉米螟上海种群滞育幼虫血淋巴中发现了1种滞育关联蛋白，等电点为4.7。

Plant population of its F1 show even population, and other better characteristics, such as more and long branches, more leaves on per unit length of branches, larger and thicker leaves, earlier budding time and later defoliating stage, better regenerative ability and pruning tolerance, higher leaves yield, easier propagating, and wide adaptability.

该品种已在广西大面积推广种植用于养蚕。

Population control is an important ways and means for dispelling population crisis to promote harmonic development between man and nature.

人口控制是消解人口危机、促进人与自然和谐发展的重要手段，也是人类必须面对的一个新的环境伦理课题。

The reasons for focusing my attention on the rural Hakka community inGuangdong are as follows:(1) Guangdong, a province with a total population ofabout 69 million ,has the largest population of the Hakka in mainland China: 14million Hakka people; the rest being 38 million Guang Fu people, 16 million of FuLao zhou people.(2) 95% of the Hakka people in Guangdong Province used to live inrural areas, and 70% of them are still living there now 50 years after the founding ofthe People's Republic of China, the rural area is therefore more representative of thediscussion of the cultural adaptability of the Hakka than the city .(3) There have beenfewer losses of traditions in the rural area than in the citiy in the drastic socialtransformation that is taking place in China, moreover, the rural area is experiencinga return to the past at a higher level after 15 years of modernization. The longer theculture of a subject lasts, the better compatibility with the environment it proves tobe embowered with, and this helps to reveal the compatibility and imcompatibility ofthe Hakka people of Guangdong with their environment , a subject to which thepresent dissertation is devoted.

把注意力集中在广东农村的客家社会，理由如下：（1）广东6896.77万人口中，扣除少数民族的人口数字，广府人有3800万，福佬人有1600万，客家人有1400万，广东是中国大陆客家人最多的省份；（2）广东省的客家人过去有95%住在乡村，建国将近50年，70%以上的客家人仍然居住在乡村，论述客家的文化适应，乡村当然要比城市有代表性；（3）在中国急剧的社会变革中，农村丧失的传统毕竟要比城市少，特别是经历了最近15年现代化之后，农村在更高的层面向昨日回复，一个对象，如果它的文化延续性较长，就证明它具有与环境兼容的较好能力，揭示广东客家与环境的兼容和相异关系，这正是本文想要着力阐述的。

Then, it calculates the theoretical population and population migration potential at provincial level with emphasis on that of the county level on the condition of the equilibrated regional economic development.

在此基础上，测算区域经济达到均衡状态下的各省区理论人口和人口迁移潜力，并重点分析了县一级行政地域的理论人口和人口迁移潜力分布。

World population is growing at an unprecedented rate, and this increase in population only exacerbates these problems.

世界人口正在以一个前所未有的速度增长，而人口的增加又恶化了上述问题。

To investigate the characteristics of arsenic methylating metabolism in population in coal-burning type arsenism endemic area and in control area, and to explore the difference between the two population.

目的 描述燃煤型砷中毒病区人群与非病区人群砷甲基化代谢的特征，比较两区人群砷甲基化代谢水平的差异。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。