cosmic-ray
英['kɒzmɪkr'eɪ]
美['kɒzmɪkr'eɪ]
- 宇宙线
详细释义
名词 cosmic ray:
-
highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds
双语例句
- Cosmic rays and Geigertubes have been combined in a new altimeter to tell the pilots what their altitudes are.
宇宙线兴盖氏管已过连接成为一种新的高度计用来告诉飞行员他们的高度是多少。
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