主要原因

The worldwide geographical variation in cancer incidence has shown a relation between differences in the dietary habits of populations and high or low risk of cancer, thus the role of diet in the control of cancer risk has drawn widespread attention.

背景与目的流行病调查资料显示，亚洲国家居民的乳腺癌、前列腺癌、结肠癌以及心血管疾病的发病率显著低于西方发达国家，从膳食因素与癌症的关系这一角度考虑，过去一直认为其主要原因是西方发达国家居民的膳食中总脂肪和饱和脂肪酸含量较高，而膳食纤维含量较低的缘故。

The incidence rate and mortality rate of gastric carcinoma is very high, and one reason is metastasis.

胃癌的发生率和死亡率很高，而引起死亡的主要原因是病灶的扩散和转移。

And thebenefit balance is main cause for school principals inclining to negative execu tion of school sports policy.

其中利益的权衡是学校校长选择消极执行的主要原因。

The main reason is that Shenzhen is an inclusive and international city.

其中主要原因是因为深圳是一个包容性强并国际化的城市。

He introduced apparatus and instruments as an important causation of incommensurability and tried to interpret Thomas S. Kuhn's Paradigm Shifting rationally. This is an important development of Kuhn's thought.

他将实验室仪器设备的变化作为不可通约的主要原因，寻求对托马斯库恩的新旧范式不可通约论作新的更符合现代物理学发展史的解释，是后库恩解释学的一个重要发展。

The main reason is because of the incompletely method to appeal to effect civil matters and medical Malpractice.

主要原因是由于我国的民事诉讼采用职权主义模式和有关医疗侵权的证明责任制度的立法不完善所造成。

Amongst the incompleteness of programming design theory is one of the main reasons.

其中程序设计理论的不完善是主要原因之一。

The incompletion of the legal system and the unqualified government officers, which are widely regarded as the obstacles by many scholars are not the main reasons.

立法的不完善、公务员素质的低下这些很多学者所公认的制约因素并不是造成基层政府行政障碍的主要原因。

Now, filmed up to 13th episode, the incompletion of computer graphic work is the reason for the delayed broadcasting.

现在，已经拍到了13集，电脑影像的后期制作没有完成时此剧播放推迟的主要原因。

Because of the excessive contents of aldehyde and fusel oil in liquor, incoordinate acid ester proportion and unqualified sanitary conditions and applied flavors and alcohol quality, drinking might make people feel thirsty and dizzy.

引起白酒口干、上头的主要原因有酒中乙醛、杂醇油含量过高，酸酯比例不谐调，卫生指标、外加香料及酒精质量不过关等因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。