阿齐山—雅曼苏岛弧带发生在维宪期阶段的广阔大陆架海上。
The Aqishan-Yamansu island-arc belt occurred on a wide continental shelf sea in the Visean Stage.
竞争工作将在加州的美国海军陆战队地面战斗中心进行,该中心在洛山矶东部的莫哈韦沙漠地区中拥有数量众多的设备。
The competition will be at the Marine Corps Air Ground Combat Center in Twentynine Palms, Calif. — a vast installation in the Mojave Desert region east of Los Angeles.
山松甲虫距离穿越北美大陆又近了一步,同时也使得东部的松林,呈现出与近些年来的西山一样的满目疮痍的凄凉景象。
The mountain pine beetle is one step closer to crossing North America and turning eastern pine forests into the same bleak landscapes that have scarred the Mountain West in recent years.
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