沉默
发表于 2025-3-23 13:08:21
Sensors and platforms, the gamma ray wavelengths to the very high frequencies (VHF) have been employed for remote sensing studies of ice and snow (Fig. 1.1). Although all objects emit radiation over all wavelengths, for most studies it is advantageous to use data from sensors operating in discrete portions of the electro
Expiration
发表于 2025-3-23 17:48:11
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清真寺
发表于 2025-3-23 20:36:23
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苦涩
发表于 2025-3-24 02:10:53
Permafrost,at least 2 years. It underlies 20 to 25% of the land surface of the Earth and is also found off-shore in many polar areas (Fig. 6.1). In the northern hemisphere permafrost covers an estimated 2.3 . 10. km. in area (Fujii and Higuchi, 1978). The occurrence of permafrost is either continuous, or disco
招致
发表于 2025-3-24 05:03:59
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上下倒置
发表于 2025-3-24 08:53:24
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过分
发表于 2025-3-24 12:34:02
Book 1985e are prevalent. In this book, the utility of remote sensing for identifying, mapping and analyzing surface and subsurface properties of worldwide ice and snow features is described. Emphasis is placed on the use of remote sensing for developing an improved understanding of the physical properties o
冬眠
发表于 2025-3-24 15:33:01
Lake and river ice,ome lakes freeze completely to their beds and are not suitable for a fish population whereas other lakes do not, allowing fish to survive below ice during the winter. In addition, ice that forms unexpectedly in lakes and rivers in a particular year can kill existing fish populations.
Fraudulent
发表于 2025-3-24 21:56:29
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武器
发表于 2025-3-25 01:06:42
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