对于过量风险的讨论表明。所有制越集中，实际暴露的收益率越少。
The excessive risk argument would suggest that the more concentrated the ownership, the smaller would be the actual exposure to earnings and asset risk.
目的了解我国农村欠发达地区空气污染的状况及农村人群对空气污染的实际暴露水平。
Objective To evaluate the levels and characters of indoor and outdoor air pollution in rural areas of China.
实际的损失将取决于暴露的特定频率，以及声音是连续的还是间歇的。
Actual loss will depend upon the particular frequencies to which one is exposed, and whether the sound is continuous or intermittent.
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