地表实测和遥感测量是获取植被盖度的两种基本途径。
Field measurement and remote sensing measurement are rudimental approaches to get vegetation coverage.
海盆区地幔热流在地表实测大地热流中所占比例高于80 %，地壳下部热流在地壳总热流中所占比例小于2 0 %。
The percentage of heat flow from mantle is bigger than 80% in terrestrial heat flow, whereas the percentage of lower crustal heat flow is smaller than 20% in terrestrial heat flow.
浅层地温受到地表气温的日、年变化、地形变化、高程变化和地貌变化等的影响，应对实测值进行相应校正。
Shallow earth temperature is influenced by surface temperature change everyday and every year, topographic change, elevation change and surface feature change, so it should be corrected.
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