Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.

现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。

The more important goal is using interactive learning to discover the cause of the decline and compare it to issues we face today—natural disasters, environmental problems, and war.

更重要的目标是利用互动式学习来发现减少的原因，并将其与我们今天面临的问题——自然灾害、环境问题和战争——进行比较。

The cause of the decline in handwriting may lie not so much in computers as in standardized testing.

与其说是电脑造成了手写的衰落，还不如说是标准化的测试是始作俑者。

Internet use appears to cause a decline in psychological well-being, according to research at Carnegie Mellon University.

根据卡内基·麦伦大学的研究，使用因特网可能会导致心理健康程度下降。

This points to the idea that the tangles and plaques may not directly impair brain function after all. Something else may cause the mental decline.

从这点来看或许斑块和神经元纤维缠结并不是直接损伤大脑机能，脑力衰退另有原因。

The amount of oxidative damage increases with age, and according to one theory of aging it is a major cause of the body's decline.

因氧化造成的损害随年龄增长，且根据一个关于衰老的理论说这是人体衰退的主要因素。

In modern times (the past 200 years, for this list) it has been a major cause for the decline of a number of languages.

而后者则是最近200年的时间里“语言清洗”的主要原因。

Dr Buckley's data, however, suggest another possibility-that Angkor's canals and reservoirs ran dry and that the invasions were therefore a consequence of decline, rather than its cause.

但是，Buckley博士的数据，提出了另一种可能性——即吴哥的运河干涸和水库缺水，因此敌人入侵是衰退的结果，而不是其原因。

In the 2009 study, Trenberth and his colleagues identified the influence of climate change on rainfall as the main cause of river decline.

在2009年的研究中，Kevin Trenberth和他的同事们证实气候变化对降雨量的影响是造成河流流量下降的主要原因。

This will cause scarcely a ripple in the market, given Nokia's single-digit share, but is another sign that Symbian's decline may be more abrupt than Nokia has hinted.

考虑到诺基亚诺基亚公司个位数的市场份额，这难以导致市场的波动。但是这也标志着Symbian也许会比诺基亚公司所暗示的衰退的更突然。

HIGH PROPERTY COSTS and a series of hurricanes have helped cause a 4 percent population decline.

高额的财产保险成本和一系列的飓风使当地人口锐减4%。

People have been wondering what is the cause of the decline of bees and moths and bumblebees in Britain.

人们一直在考虑是什么原因导致蜜蜂、飞娥和大黄蜂数量的大量减少。

An increase of between 1-4 degrees Celsius in average temperature will cause a drastic decline in the index of tourism comfort all over the region.

报告中陈述道：平均气温上升1 - 4摄氏度将对所有地区的旅游舒适指数造成极大的下降。

A further decline in growth could cause Greece to miss revenue targets and even seek more bailouts, which is largely why the market is pricing in the likelihood that Greece will eventually default.

如果增长率继续下降，希腊将无法实现财政收入目标，甚至会要求更多援助。市场走势表明，投资者预期希腊最终将会债务违约，很大程度上正是因为担忧上述恶性循环。

Women are especially vulnerable, because estrogen loss at menopause can cause a precipitous decline in bone density.

因为更年期雌激素的减少导致骨骼密度的急速降低，女性尤其容易有这个问题。

Of course, a rise in the spot price of oil triggered by a change in expectations about future prices will cause a decline in the current quantity of oil that consumers demand.

当然，由未来油价预期引发的现货油价上涨会促使当前石油需求量下降。

Second, although bears damage some trees, they are not the cause of the over all population decline.

第二，虽然熊破坏一些树木，但是他们却不是整个黄杉种群数量下降的原因。

The root cause of the recurrence of chronic disease lies in the decline of the Zang fu organs and the function of Qi and blood.

慢性病复发的根本原因在于疾病所涉及脏腑或气血功能下降。

Cause national industry decline, because of domestic corporation unable to contend with international big company,.

国内公司无力与国际性的大公司抗衡，造成民族工业的衰退。

Still, the first decline in home prices since the Great Depression and higher financing costs for companies and households may cause defaults to accelerate and stifle economic growth.

自美国经济大萧条以来的物价首次下跌，对公司以及家庭的巨额经济补贴将导致违约增加，抑制经济增长。

Dry electromagnetic clutch when using ban join grease, otherwise it will cause torque decline.

干式电磁离合器使用时禁止加入油脂，否则将导致扭矩下降。

The second chapter reviews the history of traditional rural cooperative medical system, analysis the cause of the decline of the rural cooperative medical system.

第二章回顾了传统农村合作医疗制度的历史进程，对农村合作医疗制度衰落的原因进行了分析。