One primary cause of failures is incomplete, vague, or ambiguous requirements.
失败的一个主要原因是不完整的、含糊的或不明确的需求。
The recession may have boosted this trend, he says, but it was not its primary cause.
他说，虽然经济衰退可能促进了这种替代趋势，但不是这种趋势出现的主要原因。
The primary cause of COPD is tobacco smoke (through tobacco use or second-hand smoke).
慢性阻塞性肺病的原发性原因是烟草烟雾（通过烟草使用或二手烟雾）。
Arterial stiffening places an extra load on the heart, and is a primary cause of hypertension.
动脉壁的硬化会增加心脏负荷，是导致高血压的基本原因。
Shrimp farms have been a primary cause of mangrove loss, as well as urbanization and agriculture.
海虾养殖和城市化、农业，是造成红树林消失的主要原因。
But these days, the primary cause of foreclosures is unemployment.
但这些天，丧失抵押品赎回权的主要原因是失业问题。
The primary cause of wrongful conviction is mistaken identification.
误判的主因是错误的身份识别。
Scientists widely agree that human activities are the primary cause of this global warming.
科学家们普遍认同，人类活动是全球变暖的首要原因。
The first was the primary cause, and in its absence a truce with the enemy would have been difficult.
而第一个原因是主要的原因，没有这一条，同他们讲和是不容易的。
The square Windows on the original Comet jetliner were found to be the primary cause of its disintegration.
原彗星喷气式航空班机的方形窗被发现是其碎裂的主要原因。
Mr Tremonti has taken to railing against globalisation as the primary cause of Italy's (and Europe's) problems.
Tremonti先生是极力反对全球化的，他认为全球化是引起意大利(和欧洲)诸多问题主要原因。
In the most recent survey, 27% of respondents said 'falling out of love' was the primary cause of marriage breakdown.
但在最近的一次调查中，有27%的受访者却说道，“不再爱了”是婚姻关系破裂的首要原因。
Radon is much more likely to cause lung cancer in people who smoke, and is the primary cause of lung cancer among non-smokers.
氡更有可能使吸烟者罹患肺癌，而且是非吸烟者中肺癌的主要病因。
He also said that rising food prices were an aggravating factor of the unrest in the Middle East, although not its primary cause.
他同时还说道，虽然不是主要原因，但是食品价格恶化了中东不稳定的局势。
Motor vehicle exhaust is the primary cause for the notoriously poor air quality for cities like Beijing, Jakarta and Delhi.
漫画下方的小标题写着： “空气质量” 。汽车尾气是北京、雅加达和德里等城市空气质量差的主要原因。
Results of the composition analysis reveal that the primary cause to the fracture is the composition segregation of the wire .
成分分析结果表明，心部薄弱环节主要起因于线材中心的成分偏析。
The results show that the primary cause of fracture of the driving-shaft is that the hot working temperature has been too high.
结果表明：热加工温度过高是传动轴断裂的主要原因。
These results suggest that the changing of chromatin template activity is the primary cause of change in RNA synthesis with age.
老年大鼠肝染色质功能的改变可能是转录活性改变的主要原因。
Historical investigations on chemical accidents have shown that poor management of change (MOC) is a primary cause of severe accidents.
化学事故历史调查表明变更管理(MOC)不当是导致重大事故的重要原因之一。
Abstract: the primary cause of disputes between buyers and developers is that the guarantee of real estate system is still not perfect.
摘要：商品房预售制度的保证机制不完善是导致购房者与开发商纠纷的根本原因。
The results show the stress concentration caused by acute angle effect and the high temperature are the primary cause of producing crack.
结果表明，尖角效应引起的应力集中和热处理淬火加热温度偏高是导轨端面产生裂纹的主要原因。
Conclusion (1) the sharp increase in subcutaneous temperature leading to degeneration and necrosis might be the primary cause of deep burn.
结论(1)持续接触低热，皮下温度的快速增高及由此造成的变性、坏死是导致深度烧伤的原发因素。
Articles and research materials from leading firms talk about how the lack of proper requirements is the primary cause of failure in IT projects.
来自领先公司的文章和研究材料讨论了缺乏正确的需求是如何导致IT项目失败的。
While conceding the effect of advertising and other commercial factors, I think that the primary cause is social and individual rather than economic.
虽然有广告和其它商业因素的影响，我认为主要原因是社会和个人因素而不是经济上的。
Along with the elevation of the incidence rate of apoplexy disease, the cerebrovascular diseases have become the primary cause threatening human's health.
随着脑卒中发病率的增加，脑血管疾病已经成为威胁人类健康的主要病因。
Eg. 11 As far as our information goes, DIC is but an intermediary mechanism of disease, and therapy, whenever possible, must be directed at the primary cause.
就我们现有的资料看来，弥漫性血管内凝血只是疾病的一种过渡性机制，因而治疗必须尽可能针对原发病因。
It found that alcohol was the primary cause of divorce among men in the study, and that alcohol abuse often preceded depression (rather than the other way around).
还有，饮酒是导致研究中男性离婚的首要原因，而且酗酒往往发生于抑郁症之前(而不是相反)。
Ban, speaking Tuesday in New York, said evidence showing climate change happening much faster than anticipated is "quite clear," as is data that humans are the primary cause.
潘基文星期二在纽约讲话时说，气候变化发生的速度比预期要快很多的证据“相当明显”。同样，人类活动是主要原因的数据也很充足。
Ban, speaking Tuesday in New York, said evidence showing climate change happening much faster than anticipated is "quite clear," as is data that humans are the primary cause.
潘基文星期二在纽约讲话时说，气候变化发生的速度比预期要快很多的证据“相当明显”。同样，人类活动是主要原因的数据也很充足。
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