The secrecy policy causes search engine technology to remain largely a black art and to be advertising oriented.

保密政策使得搜索引擎技术在一定程度上保留着它神秘的面纱，并且面向广告。

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Business secrets refer to the practical information of technology and operation unknown to the public on which the obligee takes secrecy measures and which can bring economic benefits to the obligee.

商业秘密是指不为公众所知悉、能为权利人带来经济利益、具有实用性并经权利人采取保密措施的技术信息和经营信息。

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The exploitation technology of electrical control unit is key technology electrical control system, it is secrecy, the open datum is very rarely.

电控单元的软硬件开发技术作为电控系统开发的关键技术，被严格保密，公开的资料很少。

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The decision was made to maintain secrecy so other codes could continue to be broken using the technology and techniques.

BBC: Why is Google in love with Bletchley Park?

Last August, Griffith, a graduate student at the California Institute of Technology, released a simple piece of software code that tore the lid of secrecy off the anonymous community of volunteers who edit the nonprofit encyclopedia.

FORBES: The Wiki-Hacker Strikes Again

"We believe that technology has the power to expose and dismantle global criminal networks, which depend on secrecy and discretion in order to function, " Google said in a blog post this week.

CNN: Google takes on the drug cartels