性别
发表于 2025-3-28 14:59:48
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过于平凡
发表于 2025-3-28 21:02:11
The Central and Southern Great Plains,s. Activation, which has usually been climatically forced, occurs when sediment becomes transportable under the prevailing wind regime. Currently, most dunes throughout the Great Plains are, however, inactive, but those that are active occur primarily along the Texas-New Mexico border region and in