性欧美一区,国产91网,色综合久久久,欧美精品综合,久久精品免费视频观看,99自拍网,欧洲1区二区三区二页

查詢
pulsar pulsar是什么意思、pulsar怎么讀
“pulsar”英文單詞的解釋:n.[天]脈沖星,網絡釋義:Acelestialobject,thoughttobearapidlyrotatingneutronstar,thatemitsregularpulsesofradiowavesandotherelectromagneticradiationatratesofuptoonethousandpulsespersecond.,詞性:名詞
上一個英文單詞: pulsant
下一個英文單詞: pulsate
“pulsar”基本解釋 補充糾錯
n.[天]脈沖星
“pulsar”網絡釋義 補充糾錯
A celestial object, thought to be a rapidly rotating neutron star, that emits regular pulses of radio waves and other electromagnetic radiation at rates of up to one thousand pulses per second.
“pulsar”詞性變化 補充糾錯
名詞
“pulsar”用法和例子 補充糾錯
1. Pulsars are highly magnetized, rotating neutron stars that emit beams of electromagnetic radiation out of their magnetic poles.
2. The discovery of pulsars in the 1960s provided strong evidence for the existence of neutron stars.