What's more, it detected comparatively high levels of the isotope deuterium in Venus' upper atmosphere.
除此之外，探测器还在金星高层大气中检测到较高水平的氘。
The researchers used what's called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
研究人员利用所谓的离子显微镜来比较月球岩石中正常的氢元素含量及同位素氘的含量，元素氘比氢多带一个中子。
The researchers used what’s called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
科学家用到了一种叫离子显微镜的仪器，来比较月球岩石上氢的含量与重氢含量（重氢比普通氢多带有一个中子）。
It contains a tiny pellet of fuel made from an isotope of hydrogen called deuterium.
其中放置了一个更微小的氘(氢的一种同位素)燃料丸。
Deuterium is a heavier and stable isotope of ordinary hydrogen.
氘是普氢较重的、稳定同位素。
An isotope of hydrogen with mass number greater than 1; deuterium or tritium.
原子质量数大于1的氢的同位素；氘或氚。
The ice and snow melt of different seasons in high mountains can obviously affect the variation in isotope composition and deuterium excess parameters of surface flow and shallow groundwater.
不同季节高原高山冰雪的溶融，可以明显地影响地表径流和浅层地下水的同位素组成及氘过量参数的变化。
The ice and snow melt of different seasons in high mountains can obviously affect the variation in isotope composition and deuterium excess parameters of surface flow and shallow groundwater.
不同季节高原高山冰雪的溶融，可以明显地影响地表径流和浅层地下水的同位素组成及氘过量参数的变化。
应用推荐