确切原因

The exact reasons for the hormonal changes associated with sleep deprivation are not yet known. According to Van Cauter, the mechanism may have to do with a small area in the brain where neurons respond to both eating and sleeping.

考特说，这种与缺乏睡眠有关的激素变化的确切原因还不清楚，这种机制可能与大脑中某个区域有关，在这个区域中神经元对饮食和睡眠都会作出反应。

This may be due to the decrease in circulating B cells, but the exact reason is unknown.

这可能是由于循环的B细胞减少，但确切原因未知。

Right now the reason of the shut down things is still in dimness.

目前哈利法塔观景台关闭的确切原因尚不清楚。

Herring Gulls sometimes steal the eggs. But I don't know the reason of the failure.

银鸥有时候会偷取其他鸟类的蛋，但我不知道繁殖失败的确切原因。

The exact cause of narcolepsy remains unclear.

确切原因的发作性睡病仍不清楚。

The exact cause of vulval cancer is unknown, but doctors think it is linked to the human papilloma virus.

确切原因外阴癌症是未知，但医生认为这是联系在一起的人类乳头状瘤病毒

Several years later, researchers discovered the exact cause of pellagra: a lack of the B vitamin known as niacin.

数年后，研究人员发现了糙皮病的确切原因：一，作为著名的烟酸维生素B缺乏。

The exact cause of PMS is not fully understood.

确切原因的市政重组条例，是没有充分的理解。

On the other hand, the morphological architectures of the colonic mucosa and submucosa change after cancer occurs.

到目前为止结肠组织内荧光分子和他们的空间分布尚未完全清楚，所以产生这种荧光差异的确切原因有待于进一步研究。

No exact reason was given for Ed Genson's withdrawal, last week Genson said he would not take part in Blagojevich's upcoming Senate impeachment trial that starts Monday.

目前还不知道埃德·根森退出的确切原因，上周根森称他将不会参加下周一议会对勃戈亚维其的弹劾审判。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。