gamma
gamma 英 [ˈgæmə] 美 [ˈɡæmə]
n. 微克；希腊语的第三个字母
名词复数:gammas
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- n. 微克；希腊语的第三个字母
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1. When these electrons are deflected by molecules in the atmosphere, they emit gamma rays.
当这些电子被大气中的分子所偏转时，它们会发射出伽玛射线。
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2. Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.
某些伽马射线在靠近原子核的附近经过，进入到转化为个电子和正电子的过程，研究人员说。
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3. It turns out that this avalanche of electrons can produce so many gamma rays that some transform into electrons and positrons, and these in turn are hurled out of the atmosphere completely.
原来这些电子雪崩可以制造出如此之多的伽马射线，其中一些转换成电子和正电子，而这些粒子相继被完全甩出大气层。
- gamma third letter of the Greek alphabet, c. 1400, from Greek gamma, from Phoenician gimel, said to mean literally "camel" (see camel) and to be so called for a fancied resemblance of its shape to some part of a camel. Gamma rays (1903) originally were thought to be a third type of radiation, but later were found to be very short X-rays.
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