To improve isolation of the sending and receiving antennas, dual-mode antennas are used, the two 16 patches array antennas which are of the same structure but are put in different direction in space.

收发天线为了提高隔离度，采用了收发双模天线，通过结构完全相同，空间上反置的两个十六元微带天线实现。

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Dual Microphones, Voice Isolation Technology and Wind Armour Technology ensure that you are always heard, even in the noisiest of environments.

双麦克风，语音分离技术和风力装甲技术确保您总是听说，即使在最嘈杂的环境。

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His approach has always been dual-track -- increasing pressure, increasing isolation, increasing international consensus against Iran because of its failure to live up to its obligations, because of its refusal to give up its nuclear ambition, on the one hand, on the one track.

WHITEHOUSE: The White House

"Powered by VMware Horizon Mobile, Telefonica Dual Persona service will enable enterprises to securely customize and manage an employee's corporate mobile workspace in isolation from their personal smartphone environment, " said Brian Byun, vice president and general manager, End-User Computing, Mobile for VMware.

ENGADGET: Galaxy S II does work and personal phone duties at once with Telefonica's Dual Persona service