Stevenson and Wolfers provide a number of possible reasons why this occurred, including non-comparable data over time, and increasing income inequality in the US during this period.
史蒂文森和沃尔弗斯给出了很多可能因素，解释造成此现象发生的原因，其中包括随着时间的消逝数据的不具可比性和这段时期内美国收入增加的日渐不平等。
Patients treated non-operatively, who survived 30 days after fracture, had a mortality rate over the following year comparable with those who had undergone surgery.
生存超过骨折后30天的非手术治疗患者，其随后一年的死亡率与手术治疗患者相当。
The Middle East accounts for less than 1% of world non-fuel exports, compared with 4% from Latin America (a region with a comparable population).
世界非油类出口总额中，仅有不到1%来自中东地区，而人口规模类似的拉丁美洲地区占4%。
If earthquakes do not strike randomly, non-victims might not be perfectly comparable to victims, and selection bias might have affected the results.
第三，应该注意到选择的偏差，因为地震可能不是一个随机选择的完美工具。
Experiments show that with a better efficiency the translation results of our non-contiguous phrase-based model and hierarchical model are comparable.
实验表明，在效率提高的情况下，非连续短语模型可以取得与层次型短语模型相当的翻译结果。
Qipao continuation of a century ago, After the vicissitudes of life is still maintained a strong Chinese style, its strong vitality of other non-traditional clothing comparable.
旗袍延续了一个世纪之久，几经沧桑却依然保持着浓郁的中国风情，其顽强的生命力非其他传统服装可比。
Tanking trash mobs in non-heroic 5-man instances usually qualifies as a low-rage situation, so a slow weapon would be beneficial, as long as it has base DPS comparable to that of your fast weapon.
在非英雄模式的5人副本中应对小怪往往是一个低怒气环境，那么慢速武器会受益，当然它的基础DPS不应低于你的快速武器。
Obesity: Studies in the West consistently report that vegetarians have a lower BMI and lower obesity rates than comparable non-vegetarians.
肥胖：在西方的研究报告，一致素食者有较低的身体质量指数和比同类非素食者肥胖率较低。
The results of people's conceptualization on those complex and abstract comparable relationships are various kinds of non-prototypical comparison concepts.
人们对这种抽象的、复杂的可比关系进行概念化的结果就是各种非原型的比较概念。
We made the decision because there were other tools comparable to Bison which already permitted use for non-free programs.
我们作这个决定是因为已经有其他比得上Bison的工具允许在非自由程序上使用了。
Meanwhile, detail optimization can be realized through the use of finite element software, which is non-comparable to traditional calculation method.
同时，有限元软件的运用能够实现结构的细节优化，这是传统计算方法无法相比的。
Meanwhile, detail optimization can be realized through the use of finite element software, which is non-comparable to traditional calculation method.
同时，有限元软件的运用能够实现结构的细节优化，这是传统计算方法无法相比的。
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