因此，博劳格最初的项目仅限于这片大陆的发达地区。
Because of this, Borlaug's initial projects were restricted to developed regions of the continent.
对今天的大多数地质学家来说，韦格纳的《大陆和海洋的起源》是一份令人印象深刻的有先见之明的文件。
To most geologists today, Wegener's The origin of Continents and Oceans appears an impressive and prescient document.
1912年，阿尔弗雷德·魏格纳在一个被称为“大陆漂移”的理论中提出，地球上的大陆是可移动的。
In 1912, Alfred Wegener proposed, in a widely debated theory that came to be called continental drift, that Earth's continents were mobile.
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