Any crack in that front could be fatal for tech companies that must operate worldwide.

对于必须在全球范围内运营的科技公司来说，这方面的任何漏洞都可能是致命的。

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Plus, virtually all major American companies are becoming tech companies, one way or another.

此外，几乎所有美国大公司都在以某种方式成为科技公司。

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The high point of President Medvedev's stay in the United States will be his visit to Silicon Valley - an area in northern California known for its high-tech companies, venture capitalists and forward-looking entrepreneurs.

VOA: standard.2010.06.18

I mean, there's a lot of up-and-coming tech companies and start-ups and...

这里有很多很有前途的科技公司和创业公司……

适合创业的旧金山 - SpeakingMax英语口语达人

They also say they aren't concerned about possible future competition from big tech companies.

WSJ: Data-Center REITs Lose Favor

Does the criteria for food tech startups differ from investments in more traditional tech companies?

FORBES: Investment Strategy- Physic Venture's Plans for Food & Health Tech

He says high-tech companies like Microsoft have big time lobbyists and make big campaign contributions.

NPR: Critics: High-Tech Visas Cheat U.S. Workers