It is convenient to consider the magnetic medium as a secondary field source in solving the magnetostatic problems.

在求解域内存在磁性介质的静磁场问题时，将磁性介质视为二次场源是方便的。

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This paper discusses the feasibility of broadband matched field source localization in F-Lake with a single hydrophone.

研究利用单个水听器对宽带水下声源进行匹配场定位的可行性问题。

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Active source electromagnetic sounding data can make use of existing magnetotelluric inversion technology after field source correction.

有源电磁测深数据在经过场源校正后可以利用现有的大地电磁反演技术进行反演。

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There are free Android and iOS apps for those that just want to check their vitals and be done with it, but tinkerers can have a field day with the open-source hardware and upcoming API.

ENGADGET: Insert Coin semifinalist: smARtPULSE is a hackable Bluetooth oximeter

The idea is to attach a patch of the stuff to tents, so soldiers in the field have a built-in power source.

ECONOMIST: MONITOR

Taken further, if we are all connected to a greater source (God, unified field, etc) then money is part of this collective whole as well.

FORBES: The Quiet Wisdom Of Saving