This cosmic microwave background radiation, they said, represents the ancient afterglow of the big bang.
他们说，这宇宙微波背景幅射代表着宇宙大爆炸的余辉。
From far out in space come other kinds of radiation know as cosmic rays.
从很远的太空来的其他射线称为宇宙射线。
This radiation possibly is a source of cosmic rays.
这种辐射可能成为宇宙线的一个源。
Objective to calculate individual annual cosmic radiation effective dose for monitored flight personnel.
目的计算被检测飞行人员个人宇宙辐射年均受照有效剂量。
Objective To study a simple method for estimating cosmic radiation effective dose rate for aircrew.
计算某航空公司各类飞行人员飞行中受到的宇宙辐射有效剂量。
Objective To study a simple method for estimating cosmic radiation effective dose rate for aircrew.
计算某航空公司各类飞行人员飞行中受到的宇宙辐射有效剂量。
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