It is assumed in traditional MT data processing that underground media is not magnetism, in which only the resistivity parameter.

传统的MT数据处理通常假定地下介质无磁性，仅对介质的电阻率参数进行反演。

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The space for water is composed of spaces of many media related to water, such as forest, wetland, flood plain, soil and underground media contained water.

流域水空间是与径流密切相关、直接受洪水波及的地表以及此范围内地下含水层系统所共同占据的空间。

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Based on changes in electric property of underground media and natural potential field caused by landfill leakage, an online electricity monitoring system is designed to detect the leakage.

根据垃圾场渗滤液渗入地下后引起的地下介质电性变化及对自然电位场的改变，设计了用于垃圾填埋场渗滤液渗漏的在线电学监测系统。

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London Underground and Virgin Media have named the first London Underground stations that will be WiFi enabled for free this summer.

ENGADGET: Virgin Media names the first 80 tube stations to get WiFi hotspots

Another 20 London Underground stations have come online thanks to Virgin Media's WiFi service on London Underground.

ENGADGET: PSA: Virgin Media extends London Underground WiFi again, aims for 120 stations by early 2013

Paradoxically, the government's strict control over the official media combined with underground channels for information of dubious origins can prove to be a combustible mixture.

WSJ: The Urumqi Effect