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secondary cosmic ray 次级宇宙线
secondary cosmic rays 次级宇宙线,次级宇宙射线
secondary cosmic ray count 次级宇宙线计数
Ordinary cosmic rays are puny things. 普通的太空射线都是微不足道的东西。
Sometimes, cosmic rays affect the earth. 宇宙射线有时候也会对地球产生影响。
Cosmic rays and X-rays produce energetic electrons by ionization. 宇宙射线和X射线因其电离作用产生高能电子。
Pictured above, an artist illustrates a cosmic ray striking the Earth's atmosphere and creating a shower of secondary particles detectable on the surface. 上面的照片是艺术家画的，宇宙射线进入地球大气并且形成在地球表面能检测到的次级粒子流。
These cosmic rays, as they are called, consist mostly of protons. 这些被称为宇宙射线的物质主要是由质子组成的。
The time jetter of the cosmic ray detecting system is 79.5 ps. 宇宙线测量系统的时间晃动为 79.;5ps
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。
Conversely, when solar activity is less intense, more cosmic rays get through. 一项研究发现，当宇宙射线最弱和最强时，地球上空为云层所覆盖的区域比例分别是65%25和68%25。
Special instruments for measuring cosmic rays are installed in the satellite. 卫星中装有测量宇宙射线用的特种仪器。
We are perhaps ignorant of what the cosmic rays were like back around that time. 我们对当时的宇宙射线的情况也许还是一无所知。
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。
Another possible effect of discrete spacetime involves very high energy cosmic rays. 离散时空的另一个可能的效应，牵涉到极高能量的宇宙射线。
Natural radiation in the environment comes from two sources: cosmic rays and radiation present in the earth crust. 环境中的天然辐射有两大来源:一个是宇宙射线,另一个是存在于地壳的辐射。
Due to the shielding effect of the atmosphere, intensity of cosmic rays increases with altitude. 由于大气层有阻挡宇宙射线的作用,离地面越高,宇宙射线的强度就越强。
Without a receptacle, these creative cosmic rays would create chaos and confusion. 如果没有一个容器，这些创造性的宇宙射线将引起混乱和无秩序。
These cause spallation when a cosmic ray (e.g. a proton) impacts with matter, including other cosmic rays. 当宇宙射线（主要是质子）撞击到物质，包括其他的宇宙射线，就会造成散裂。
A small number of antiprotons constantly sleet down from space among cosmic rays. 而少量的反质子则是不断伴随著宇宙射线从太空洒落地球。