And just being clever enough to be accepted on to an MBA from a top institution is a useful signalling device for recruiters.

想要被最优秀的商学院MBA录取，让自己显得足够聪明对招聘人员来说是一个有用的信号。

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Collaborative consumption is an ideal signalling device for an economy based on electronic brands and ever-changing fashions.

如今电子产品大行其道，时尚瞬息万变，共同消费对于经济来说就是一种理想的风向标。

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The utility model relates to a signalling device and alarming device class, particularly a multi-sensitive head detector of a continuous wave.

本实用新型涉及发信号装置及报警装置类，特别涉及一种连续波多敏感头探测装置。

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Meanwhile, the coastguard was not alerted to the Purbeck Isle's plight for seven hours as it was not fitted with an emergency position-indicating radio beacon or similar distress signalling device.

BBC: Purbeck Isle deaths report: Life raft failures blamed