reduction of levels的意思|示意

The reduction in risk of sudden cardiac death was independent of changes in cholesterol levels.

心源性猝死的风险的降低与胆固醇浓度的改变无关。

Mice with a rodent equivalent of the disease showed a 50 per cent reduction in levels of amyloid protein in their brains after the scientists added caffeine to their drinking water.

把疾病基因移植到鼠类身上，科学家发现当把咖啡因注入到老鼠饮用的水中，这些老鼠脑内的淀粉状蛋白指数会减少50%。

Over half of theparticipants showed a reduction in triglyceride levels, suggesting thatthe body is more than capable of coping with the increase.

超过一半的受试者显示出甘油三脂浓度降低，说明人体多半能够处理那种增长。

But in those nuclear families with higher levels of inbreeding, offspring had an estimated 5.4 percent reduction in fitness.

但是在那些存在高度近亲繁殖的核心家庭中，后代健康的几率估计下降了5.4%。

A drug that blocked the action of orexin led to a significant reduction in levels and increased the amount of sleep.

而阻止增食欲素起作用的药剂会导致淀粉样蛋白含量大大降低，并增加睡眠时间。

We have recently adopted a target of greenhouse gas emissions reduction of 80% on 1990 levels by 2050.

最近我们制定了到2050年温室气体在1990年的基础上减排80%的目标。