pulsar
英 ['p?lsɑ?]
美['p?lsɑr]
- n. 脈沖星
低頻詞暢通詞匯
詞態(tài)變化
復(fù)數(shù):?pulsars;
助記提示
1、pulsating + star.
2、puls- + star.
2、puls- + star.
中文詞源
pulsar 脈沖星
縮寫自pulsating star,脈沖星。拼寫受quasar影響。
英文詞源
- pulsar (n.)
- 1968, from pulse (n.1), the form on analogy of quasar. When discovered in 1967, they were thought perhaps to be signals from alien civilizations and astronomers informally dubbed them LGM for "Little Green Men."
雙語(yǔ)例句
- 1. Structure of a pulsar — a rotating magnetic neutron star.
- 脈沖星的結(jié)構(gòu).一顆旋轉(zhuǎn)磁中子星.
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- 2. A pulsar is a celestial object that emits light in short burst.
- 脈沖星是一種能夠發(fā)出光脈沖的天體.
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- 3. We'll look for these with a " pulsar timing array. "
- 我們將使用 “ 脈沖星時(shí)間校準(zhǔn)陣列 ” 來(lái)尋找這些信號(hào).
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- 4. Pulsar : A dense, rapidly rotating star that emits pulses of light.
- 脈沖星: 高密度 、 快速旋轉(zhuǎn)、發(fā)射脈沖光的星體.
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- 5. The perspective of the pulsar observation of the FAST program is outlined.
- 展望了FAST望遠(yuǎn)鏡觀測(cè)脈沖星的前景.
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