In area of low magneticlatitude, however, reduction calculation over large data area and geologic interpretation of the resulted data are still in its infancy.
但在低磁纬度地区，作大面积化极换算并进行地质解释的工作仍处于探索阶段。
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Loggerhead turtles sense latitude by the planet's magnetic field intensity, and new research finds they're good at determining their longitude too, probably via the field's inclination.
Two locations on the turtles’ route that have the same latitude but are hundreds of miles apart will have different ‘magnetic signatures’, allowing the animals to steer along the right longitude.