它是一种新化学元素的发现。
这类飞行任务进行的实验旨在发现我们已知的地球生命具有的几种化学元素和化学反应。
The experiments on such missions are designed to ferret out the handful of chemical elements and reactions that have been known to characterize life on Earth.
那位化学家发现了一种新的化学元素。
我的同事比较化学元素组成，在不同星系恒星中，确实发现了银河系中有外来恒星。
My colleagues, comparing composition of chemical elements in different galactic stars actually discovered alien stars in our galaxy.
如此科学家们发现，光谱空隙是由于星球外层的化学元素原子吸收光线而产生。
Scientists would come to understand that the gaps in a spectrum are due to the absorption of light by the atoms of chemical elements that compose a star's outer layers.
如此科学家们发现，光谱空隙是由于星球外层的化学元素原子吸收光线而产生。
Scientists would come to understand that the gaps in a spectrum are due to the absorption of light by the atoms of chemical elements that compose a star's outer layers.
应用推荐