年轻人离开农村的主要原因之一是缺乏机会。
One of the main causes of young people moving away from the countryside is lack of opportunity.
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.
吸烟是导致火灾的主要原因之一。
地理信息的存储是1830年皇家地理学会（RGS）成立的主要原因之一。
The storage of geographical information was one of the main rationales for the foundation of the RGS in 1830.
《华盛顿邮报》报道，专家说，主要原因之一是，农民对马利筋植物使用除草剂，而这些蝴蝶以马利筋植物为食。
The Washington Post reported, one of the main reasons, experts say, is that farmers have used herbicides on the milkweed plants that these butterflies feed on.
吸烟是导致肺癌的主要原因之一。
内存约束是处理能力利用率低下的主要原因之一。
Memory constraint is one of the key reasons for under-utilized processing power.
据称，缺少培训是全球护士短缺的主要原因之一。
Paucity of training is cited as one of the main reasons for the global nurse shortage.
那就是我否决这个预算的主要原因之一。
汽车排出的烟是造成烟雾的主要原因之一。
Automobile exhaust fumes are one of the major caueses of smog.
农民工非正式就业通常是造成其脆弱性的主要原因之一。
One of the main reasons for migrant workers' vulnerability is the typically informal nature of their employment.
另外请尽力减轻生活压力，因为那是掉发的主要原因之一。
Also try to limit stress in your life, one of the main causes of hair loss.
这正是向云计算转移的过程比较缓慢且平缓的主要原因之一。
This is one of the primary reasons the movement to cloud computing has been a slow and gradual process.
心血管并发症是血液透析患者死亡的主要原因之一。
Cardiovascular complications are a major cause of mortality in hemodialysis patients.
在不同系统之间的互操作性是使用Web服务的主要原因之一。
Interoperability between different systems is one of the primary reasons for using Web Services.
产科瘘的形成与孕产妇死亡的主要原因之一：梗阻性分娩直接有关。
The development of obstetric fistula is directly linked to one of the major causes of maternal mortality: obstructed labour.
从历史上看，不对称的信息获取能力是国家间冲突的主要原因之一。
Historically, asymmetrical access to information is one of the leading causes of interstate conflict.
在美国，糖尿病是公认的导致死亡和残疾的主要原因之一。
Diabetes is widely recognized as one of the leading causes of death and disability in the United States.
步幅过大是导致在始发阶段时阻力过大的主要原因之一。
Overstriding is one of the key contributors to excessive braking during the stance phase.
许多科学家相信，二氧化碳是造成气候变化速度加快的主要原因之一。
Many scientists believe carbon dioxide is one of the main reasons climate change is accelerating.
他认为，可能冰川底下的海水流动是造成此次冰山断裂的主要原因之一。
The flow of sea water below the glaciers is one of the main causes of ice calvings off Greenland.
很多调查表明，难于实现已成为推迟甚至放弃SOA项目的主要原因之一。
A number of surveys indicate implementation difficulties as one of the main causes of delay or sometimes even failure of SOA projects.
现在看来，那种开局似乎是小牛之后取得精彩的51 - 5的主要原因之一。
Now that start looks like one of the main reasons that the Mavs have gone a stunning 51-5 since.
这就是我们在关系中开始变得有要求，控制和占有欲得主要原因之一。
That is one of the primary reasons we begin to become demanding, controlling, possessive in these relationships.
这种培训的缺失就是过去二十年中欧洲产量增长一直落后于美国的主要原因之一。
This lack of training is one of the main reasons why Europe's productivity growth over the past two decades has persistently lagged behind America's.
睡眠剥夺将一直持续到婴儿周岁后，是造成产后忧郁症的主要原因之一。
Sleep deprivation, which can continue well past an infant's first birthday, is a major contributor to post-natal depression.
睡眠剥夺将一直持续到婴儿周岁后，是造成产后忧郁症的主要原因之一。
Sleep deprivation, which can continue well past an infant's first birthday, is a major contributor to post-natal depression.
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