Officials believe the three were planning attacks with portable but powerful explosive devices like the ones involved in last year's thwarted attack on the New York City subway system.

官员们相信，这3人计划发动一起类似去年在纽约市袭击地铁系统所涉及的便携但威力强大的爆炸装置。

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Compared with the traditional ways, the city public traffic inquiry based on the portable will present its flexibility with wide and deep application of portable devices.

随着便携式移动设备广泛和深入的应用，相比传统查询方式，基于便携设备的公交查询将显示出其灵活性。

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The US PsyOps team set up its own portable FM transmitter, utilising the same frequency, in the deserted city of Al Khafji.

美国心理战行动组设置了它自己的移动式调频发射机，用了相同的频率，在一个荒废的城市Al Khafji。

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(SAYING) She said the committee decided that children will not be sent back to classes in the city until all schools are equipped with portable bomb shelters.

VOA: standard.2010.07.30

New York City, which touts the high quality of its tap water, offers portable fountains at events around the city.

WSJ: America's new love: Water

AmeriCares also has a mobile clinic traveling the streets of New York City, providing portable exam rooms for health clinics unable to treat patients due to damaged facilities.

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