Biochemical oxygen demand over five days - BOD5: The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.

五天生化需氧量（简写为BOD5）：标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

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Hydraulic machine test-bed is the important device to optimize and exploit hydraulic machines whose tests demand test-beds have high precision and advanced automatization.

水力机械试验台是开发和优化水力机械产品的主要设备，它要求测试精度高，自动化程度高。

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The test result shows that DIRL can satisfy the reconfiguration demand of ACR.

测试结果表明，DIRL 系统完全能够满足 ACR 网络可重构的需求。

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More of us can be inventors and salesmen, and we need to risk less and less as we test demand, raise funds, and manufacture products.

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Fare analysts say airlines test demand route by route, starting international prices high and then offering some seats at low prices, for example, four or five months before departure.

WSJ: Finding the Best Fares to Europe

" Ronovech goes on to explain that, despite the semiconductor industry being out of favor due to concerns about the global economic slowdown, he expects that "even a modest continuation of global economic recovery should drive growth in demand for semiconductor test equipment in 2011.

FORBES: Magazine Article