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风成堆积 | |
desert. | aeolian accumulation |
地形 | |
bridg.constr. | topographic features; configuration of earth |
hydroel.st. | terrain; topography; landform; relief |
mount. | topographical feature |
space | mission, enemy, terrain, troops, weather, time available and civilian considerations |
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aeolian accumulation | |||
wind-laid deposit |
风成堆积 : 10 phrases in 3 subjects |
Desert science | 7 |
Engineering geology | 2 |
Technology | 1 |