Though Magellan didn't complete the entire circumnavigation, as the expedition's leader he is usually credited with being the first man to circle the globe. 尽管麦哲伦没有完成航行的全程,但,作为船队的首领,他被公认为环球航行第一人。
Magellan's circumnavigation of the earth proved that it is a globe. 麦哲伦的周游世界说明地球是圆的。
How to plan a slow travel, low-carbon global circumnavigation? 怎样来计划一个慢速旅行,低碳环球旅行.是什么样?
Request circumnavigation ( to circumnavigate) 30 km right of track ( airway) to avoid the thunderstorm. 请求向航迹(路)方绕行30公里以避开雷雨。
6-DOF Sliding Mode Control for Fast Spacecraft Circumnavigation Mission 航天器快速绕飞任务的六自由度滑模控制研究
In order to achieve a safe and successful circumnavigation, one has to 要达到平安成功的环航需配合如下
So the idea of "Zheng He's circumnavigation" is merely the result of reasoning and hypothesis, but not historical facts. 所以“郑和环球航行说”仅是一种推测和假设,而不是历史事实。