The most extensive use of aural policing so far, though, has been in underground stations.

不过，迄今为止听觉维持治安得到的最系统应用，是在地铁站。

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General gantry crane: the most extensive use of this crane can carry a variety of items and bulk materials into, from the weight of 100 tons, a span of 4 to 35 meters.

普通龙门起重机：这种起重机用途最广泛，可以搬运各种成件物品和散状物料，起重量在100吨以下，跨度为4 ~ 35米。

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It is the most authorized theory in the study field of curriculum exploit and the practical model with the most extensive use in the practice of education and teaching.

它是课程开发研究领域最具权威性的理论形态，也是教育教学实践领域中运用最为广泛的实践模式。

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Most companies make use of extensive outsourcing and even crowdsourcing, they use consultants, experts, agencies and, increasingly, tools like Mechanical Turk.

FORBES: How To Cut Consulting Costs by 90%: And Keep Your Talent Happy!

As for the Olympics, Links of London won the rights to use the logo and therefore has the most extensive collection of Olympic jewelry available.

WSJ: Winning British Gold for the Olympics

The 787, Boeing's newest and most technologically-advanced plane, is the first airliner to make extensive use of lithium-ion batteries.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries