People with low Vitamin D level are more susceptible to infection.

维生素D含量比较低的人更容易生病。

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On the other hand, if those late-developed regions without enough high absorptive capacity can strengthen their own R&D level, they may sustain their technological catching-up at some rate.

另一方面，当吸收能力不强时，如果后进地区能加强自身的研发积累，也能维持一定速度的技术追赶。

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The scientific community continues to debate the optimum level of vitamin d.

科学界在维生素d的最优水平上一直有争论。

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She says,"The higher the level of pesticide residue in the urine, the higher the risk of A.D.H.D.

VOA: special.2010.05.26

Those same estimates say that if you could turn that around, that if the world could eat the recommended level of fruits and vegetables, that you'd reduce the prevalence of heart disease by 31%.

反过来说就是,如果大家都能食用适量的水果和蔬菜,那心脏病的普遍性将降低31%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But, in general, you know, the diversity, especially at Ph.D. level is very, very large,

但是，总的来说，尤其是在博士阶段，学校的多元化程度还是很高的，

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It simply shows that there is a correlation between vitamin D level and glucose control.

CNN: Do vitamins help against type 2 diabetes?

This being said, it is not inappropriate for a diabetic to ask their physician to check their vitamin D level every year or so and for a physician to prescribe supplements if it is low.

CNN: Do vitamins help against type 2 diabetes?

D. level, in any of the fields of the natural or social sciences.

UNESCO: Vacancy : Coordinator, IAP/IAMP (30/4/2011) (EU/VC/ITA/SC/0825 - (P3))