There has been a progressive decrease in population every year in this city.
这个城市的人口在逐年递减。
There has been a steady decrease in population in this city.
这个城市的人口在不断减少。
There has been a steady decrease in population in this city.
这个城市的人口在持续下降。
I understand that this represents a decrease in population growth rates, and higher standards of living are likely increasing life expectancy.
我知道人口增长率是降低了，生活质量提高了期望寿命也长了。
Poaching and forest fires are two of the main causes for the decrease in population, according to Yang Yeqin, director of Guizhou's Fanjingshan National Nature Reserve, where most of the monkeys live.
偷猎和森林火灾是导致种群数量减少的两个重要原因，据杨叶青说，贵州梵净山国家级自然保护区，是猴子数量最多的一个区域。
The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.
喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。
The power coefficient of reactivity (PCR) is a measure of whether a particular reactor's nuclear neutron population will tend to increase or decrease after an increase in the reactor's power.
PCR是一座反应堆的核中子数会在反应堆能量增加后增加或减少的衡量标志。
One drug is based on a line of peptides he calls mitochines, which decrease with age in the normal population, but not as much among centenarians.
一种药物是基于他称作mitochines的多肽链研发的，它在普通人群中随着年龄增长而减少，但在百岁老人中减少有限。
A 2005 study in Wyoming's Sublette county found that drilling there contributed to a 46% decrease in the mule-deer population over four years.
2005年在怀俄明州Sublette郡进行的一项调查发现，那里的钻井使长耳鹿的数量在4年内减少了46%。
Whether world population is increasing or decreasing doesn't necessarily affect the decisions that determine whether it will increase or decrease in the future.
世界人口是否正在增加或减少未必会影响某些决策的产生，使将来的人口增长或减少。
The population began to decrease in some countries.
人口开始在某些国家下降。
We know that the social total output growth has in large part from the demographic dividend and demographic dividend into negative population social total output will decrease.
我们知道社会总产出的增长有很大一部分来自于人口红利，而未来的人口红利变成了人口负利，社会总产出也必然减少。
With the rapid growth of population, there has been a decrease in natural resources such as arable land and water.
人口增多，耕地减少，部分地区供水不足，是我国人口与资源矛盾的基本格局。
Statistics show that China is the country which has witnessed the quickest decrease in its poverty-stricken population.
有统计表明，中国是世界上贫困人口减少最快的国家。
This myth has led to a decrease in shark population and the use of shark cartilage for cancer prevention treatment, which doesn't work.
这一讹传导致了鲨鱼的软骨被用来进行癌症预防治疗，虽然这并不管用，但却造成了鲨鱼数量的减少。
The case study showed that by this method we will be able to decrease the population of suspicious seismic events in nuclear test seismic monitoring.
实例研究表明这种综合识别方法在核试验地震监测中有减少可疑事件数量的能力。
This paper presents an improving method for creating initial population in genetic programming so as to decrease the bigger population and accelerate the lower convergence rate.
针对遗传规划中群体规模较大，收敛效率较低等特点，提出了对传统遗传规划中初始群体的生成方法的改进。
Any increase or decrease in the population of one species may affect all other species on the tundra.
某一物种数量的任何增加或减少都可能影响到冻土带所有其他的物种。
In 2005, the absolute population of towns and cities will increase, accordingly, the absolute population of villages will decrease, and the number of old people will exceed 10 million.
2005年城镇人口绝对值将会上升，乡村人口绝对值呈下降趋势，老年人口将突破1亿人大关。
With decrease of cropland and increase of population, food problem in our country is becoming more and more severe.
随着耕地的减少和人口的增加，我国粮食问题日趋严峻。
With the population explosion in the city and decrease of land resources, using land in stereoscopic form has become a general trend all over the world.
随着城市人口的快速增长和土地资源的日趋稀缺，以立体方式利用土地，已成为世界范围的普遍趋势。
The results show that under otherwise equal conditions the absolute values of edge effect in plant population progressively decrease as the horizontal edge distance progressively increase.
结果表明：在同一条件下，植物群体边缘效应的绝对值随水平边距递增而递减。
Conclusion the comprehensive intervention can decrease the average level of hypertension in community population. It's effective way to prevent stroke in community.
结论综合性干预能降低社区高血压患者血压水平，为脑卒中社区防治的有效手段。
In this article, the possible factors related to the decrease of bee population number were analyzed, such as biological factors bacteria, viruses, fungi and parasites, etc.
本文主要从苹果再植病的类型、表现、致病因素(生物因素和非生物因素)以及防治措施等方面概述了十几年来人们在这方面的研究进展情况。
In this article, the possible factors related to the decrease of bee population number were analyzed, such as biological factors bacteria, viruses, fungi and parasites, etc.
本文主要从苹果再植病的类型、表现、致病因素(生物因素和非生物因素)以及防治措施等方面概述了十几年来人们在这方面的研究进展情况。
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