The areas that are now desert were, like all arid regions, very susceptible to cycles of higher and lower levels of rainfall, resulting in major, sudden changes in distributions of plants and animals.
那片现在是沙漠的地区和所有干旱地区一样，对降雨量相对更大或更小的周期极为敏感，因此那里的动植物分布发生了巨大且迅速的变化。
Further contradicting conventional wisdom, we found that women as well as men have lower levels of stress at work than at home.
比传统观念更加矛盾的是，我们发现女性和男性一样，在工作中承受的压力比在家里承受的压力小。
In laboratory simulations of challenging activities such as driving, those who felt in control of their lives pumped out lower levels of stress hormones such as cortisol.
在实验室的挑战性活动（比如驾车）的模拟中，那些觉得生活在自己的掌控之中的人产生的应激激素（比如皮质醇）更少。
"Further contradicting conventional wisdom, we found that women as well as men have lower levels of stress at work than at home, " writes one of the researchers, Sarah Damske.
“与传统观念进一步矛盾的是，我们发现，女性和男性在工作中都比在家里的压力小，”研究人员之一萨拉·达马斯克写道。
This may be due to some disadvantages for people living in the countryside, including lower levels of income and education, higher costs of healthy foods, and fewer sports facilities.
这可能是由于生活在农村的人有一些不利条件，包括较低的收入和教育水平，较高的健康食品成本，以及较少的体育设施。
Patients with pelada have lower levels of zinc and copper in their hair.
斑秃患者头发中锌和铜低于正常人。
lower levels of education (perpetrators and victims);
较低的受教育水平（实施者和受害者）
Top-level activities are simply rolled-up from the lower levels.
顶层活动是从各个低层级累积得到的。
Higher levels of abstraction have less detail; lower levels have more.
抽象级别越高，细节信息越少；级别越低，细节信息越多。
On the lower levels are features, use cases, and supplementary specifications.
较低层次的是特性，用例和补充规约。
Alcohol is 23 per cent cheaper in France, mostly because of the lower levels of tax.
酒精在法国便宜23%，这主要是由于当地较低的税收。
The mid level also provides SCSI command queuing between the upper and lower levels.
中间层还提供了较高层和较低层间的SCSI命令排队。
The runners consistently showed lower levels of disability as they approached their 90s.
在接近90岁时，跑步者一直表现出较低的能力丧失程度。
Morgan Stanley said lower levels of client activity weighed on its retail brokerage results.
摩根士丹利说客户的活跃性水平低下拖累了零售券商的盈利。
An operation at a high level requires the execution of one or more operations at lower levels.
一个高层次上的操作需要执行一个或多个更低层次上的操作。
These decisions are recursively nested and add increasing detail at lower levels of abstraction.
这些决策递归嵌套，并在较低的抽象级别中不断地添加细节。
Perhaps they would select computer systems that require lower levels of manual administration.
也许他们会选择对人工管理要求较低的计算机系统。
You've probably noticed that this series goes into lower levels of abstractions as it progresses.
您可能已经注意到，在这一系列活动的进展过程中，是逐渐向较低的抽象级别深入的。
The highest levels of carbon monoxide are shown in red, while lower levels are yellow and orange.
图中，一氧化碳浓度最高水平显示为红色，较低水平显示为黄色和橙色。
Health effects are now known to be associated with much lower levels of SO2 than previously believed.
目前已知的二氧化硫对健康影响的数值较过去所认为的要低。
It also appears to lower levels of ghrelin, the 'hunger hormone', circulating in the digestive system.
同时人体中一种在消化系统循环中被称为“饥饿激素”的物质的水平也有明显的下降。
Iraqi women have higher rates of poverty and unemployment than men, and lower levels of education.
伊拉克妇女比男性更贫困，失业率更高，教育程度更低。
Individuals with lower levels of a melanin pigment called eumelanin are likely to have blonde hair.1.
黑色素水平较低的个体(eumelanin)很可能拥有金发。
Other research has linked drinking green tea with lower levels of bladder, breast and colorectal cancer.
其他绿茶相关研究表明，绿茶还能够有效降低膀胱癌、乳腺癌和直肠癌的发病率。
The mid layer fundamentally ACTS as a go-between for the upper and lower levels of the SCSI subsystem.
中间层可以连接scsi子系统的较高层和较低层。
Values specified at a higher level apply at the lower levels, unless they are overridden at the lower level.
在高层指定的值可以应用在低层，如果它们没有在低层被覆盖的话。
A design problem at any level should trigger further analysis at higher and lower levels of the architecture.
无论在哪个级别上出现了设计问题，都应该在体系结构的更高或者更低级别上进行深入分析。
The virus continues to circulate in some parts of the world, but at lower levels than last year, Dr. Chan said.
陈冯富珍说，这种病毒虽然在世界有些地方仍在传播，但程度已低于去年。
The virus continues to circulate in some parts of the world, but at lower levels than last year, Dr. Chan said.
陈冯富珍说，这种病毒虽然在世界有些地方仍在传播，但程度已低于去年。
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