...键词 矿物 成矿元素 迁移和变化 高温高压实验 [gap=752]Key words mineral, ore-forming element, migration and accumulation, experiment under high temperature and pressure ..
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只有在全球气温变化开始和海平面反应之间的短暂滞后期间，适应气候变化的物种才能从赤道向高纬度地区迁移。
Only during the short lag between onset of global temperature change and sea level response can warm-adapted species migrate from the equator toward higher latitudes.
但无论出生率和迁移模式怎样变化，美国的地理广度都将是巨大的优势。
But however birth rates and migration patterns change, America's geographical size will be a huge advantage.
最令人担忧的是气候变化带来的影响——食品和用水短缺、被迫迁移、流行病蔓延——都会因人口增长而加剧。
The most worrying of climate change's impacts - food and water shortages, forced migration, health epidemics - are exacerbated by population growth.
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