Initially only relatively unknown handset manufacturers such as HTC and Huawei were making Android devices, but later this year phones will appear from big names such as Motorola and Sony Ericsson.

起初只有相对不出名的公司如htc和华为生产使用Android的设备，但是今年晚些时候市场上将会出现大厂商如摩托罗拉和索爱生产使用Android的手机。

youdao

But the FBI said the detonating system and method of initiation for the devices are still unknown.

CNN: Boston Marathon attack: More details, more questions

Above all, it is a work of daring: a popular, celebrated artist has set aside familiar devices and stepped into the unknown.

NEWYORKER: Sacred Dissonance

Networks comprised of these automated devices will generate more information than people can hope to consume and potentially establish hitherto unknown patterns that tell how the world works.

FORBES: The Wireless Boom That Won't Need Us