The departures come as the social networking site has struggled to generate substantial AD revenue and is running up against a tough AD environment in the recession.

三位高管离职正值这家社交网站在经济衰退中难以实现充足的广告收入、遭遇艰难的广告环境之际。

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If your product isn't meant to be automated in the customer's environment, then you want a combination of automation, AD hoc, exploratory, and customer scenario testing.

如果你的产品不打算在客户环境中实现自动化，那么你需要将自动化的，特殊化的，探查的以及客户场景的测试进行合并。

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Prior to that, he was the Assistant Director-General for Health Security and Environment AD interim.

在此之前，他担任临时主管卫生安全和环境的助理总干事。

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This combined with a slowly recovering ad spending environment, CBS is starting to see an improvement in pricing.

FORBES: Advertising Turnaround Takes CBS To $25 For Starters

Heading into 2013, the company feels confident about the advertising environment and is still leading in terms of ad pricing and volume.

FORBES: CBS's Ad Growth And Better Margins Lift Outlook

Some experts have questioned whether mobile ad-hoc networks can work reliably in a warfighting environment, but the news so far from testing of Army versions is very positive.

FORBES: New Radio Could Revolutionize Combat for U.S. Forces