经过生物工程改造的棉花种植场可以生产自己的抗棉铃虫杀虫剂，而棉铃虫是造成农作物歉收的主要原因，直到今年，棉铃虫的危害都很小。
Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.
吸烟是造成不必要疾病和死亡的最大原因。
Smoking is the biggest preventable cause of death and disease.
报告披露这次事故是人为原因造成的。
The report discloses that human error was to blame for the accident.
旧公交车是造成城市污染的主要原因。
报道称两艘船在设计上的缺陷是造成悲剧的原因。
The report says design faults in both the vessels contributed to the tragedy.
异性间的性接触是造成大多数艾滋病病毒传播的原因。
Heterosexual contact is responsible for the bulk of HIV transmission.
过去，护路设备占用错误轨道或阻塞相邻车道是造成重大事故的原因。
The presence of MOW equipment either occupying the wrong track or fouling an adjacent track has been the cause of serious accidents in the past.
造成困惑的原因是在我们的教育机构内从来没有适当的职业指导。
The reason behind all this confusion is that there never has been a proper vocational guidance in our educational institution.
造成问题的一大原因是食物过期标签混乱，目前不受政府监管。
One major cause of this problem is the confusion over food expiration labels, which are currently not regulated by the government.
对如此宏伟的建筑缺乏足够的维护和日常关注是造成这场灾难的原因。
The lack of adequate maintenance and daily attention to such a majestic building is the cause of this catastrophe.
看来，板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。
It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.
部分原因似乎是热空气从楼宇密集的表面上升，造成城市大气的更大湍流。
The cause appears to be in part greater turbulence in the urban atmosphere as hot air rises from the built-up surface.
2000年，造成百岁老人死亡的五大原因是心脏病、中风、流感、癌症和老年痴呆症。
In 2000, the top five causes of death for centenarians were heart disease, stroke, flu, cancer and Alzheimer's disease.
当然，侵蚀是造成其破坏的主要原因之一，但人类活动应承担的责任也越来越大。
Erosion, of course, is one of the key reasons for its destruction, but human activity is also increasingly responsible.
造成这种相对忽视的两个原因似乎是显而易见的。
通常被认为是造成分数膨胀的原因是什么？
这种细菌——存在于泥土和水中，而非粪便——是造成“游泳耳”的主要原因，症状是耳朵发痒疼痛和红肿。
This germ—which is present in soil and water, not feces—is responsible for "swimmers ear", an itchy or painful inflammation of the ear.
巴黎检察官办公室对“火灾造成的非自愿破坏”展开了一项调查，这表明他们认为造成火灾的原因是意外事故，而不是犯罪行为。
The Paris prosecutor's office has opened an inquiry into "involuntary destruction by fire" indicating they believe the cause of the blaze was accidental rather than criminal.
专家们早就认识到，这个令人沮丧的问题是由多种原因造成的。
Experts have long recognized that this discouraging problem has multiple causes.
造成这种稀缺的一个原因是挪威公司管理层中女性相当少——她们占据了约15%的高级职位。
One reason for the scarcity is that there are fairly few women in management in Norwegian companies—they occupy around 15% of senior positions.
机器学习是造成这种混乱的主要原因。
Machine learning is the technology that's responsible for most of this disruption.
造成油价上涨的部分原因是反萨达姆·侯赛因的战争。
It was caused by well partly by an oil price spike caused by the Saddam the war against Saddam Hussein.
联合国表示，人类活动是造成这一现象的主要原因。
Human activity is the main reason for this, the United Nations (UN) said.
造成肥胖的部分原因是饮食过多。
这种差异有大部分原因是历史造成的。
然后他们在盘上发现了一个小物体，可能是造成裂口的原因。
They then found a small object in the disc which may be the cause of the gap.
所有这些因素——比起抗黑变激素——更可能是造成癌症的真实原因。
All these factors - rather than melatonin - could be the real reasons behind any apparent cancer links.
所有这些因素——比起抗黑变激素——更可能是造成癌症的真实原因。
All these factors - rather than melatonin - could be the real reasons behind any apparent cancer links.
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