Developments in instrumentation and analysis techniques now permit MT data to be collected rapidly and interpreted in terms of two dimensional and three dimensional Earth models.

在仪器和处理解释技术方面的进展使得大地电磁法现在能够快速采集大地电磁数据并进行二维或三维地质模型解释。

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We discussed the case of a circular transmitting loop, and developed a corresponding approximate inversion program which has been tested for 1 D layered Earth models and real data.

本文主要讨论圆形回线发射源情形，编制出相应的近似反演程序，并对一维层状理论模型和实测资料进行反演试验。

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Scenarios for future climate change are almost always developed using powerful three-dimensional models of the earth and its atmosphere.

NEWYORKER: The Climate Fixers

Current models show that Earth is getting warmer and warmer due to increased emissions of carbon dioxide from the burning of fossil fuels and other human-induced emissions of greenhouse gases.

CNN: Nature - Satellite sees through Arctic ice for signs of climate change

Global climate models indicate that the Earth will react to this increase by at first becoming a "moist greenhouse".

BBC: Blue Marble Nasa