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- Any of several celestial radio sources emitting short,intense bursts of radio waves,x-rays,or visible electromagnetic radiation at regular intervals,generally believed to be rotating neutron stars. 脈衝星若干能發出無線電波的天體之一，能以有規律的間隔發出短促且強烈的無線電波、X射線或肉眼可見的電磁放射，普遍認為它們是旋轉磁中子星。
- Any of several celestial radio sources emitting short, intense bursts of radio waves, x - rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars. 脈衝星若干能發出無線電波的天體之一，能以有規律的間隔發出短促且強烈的無線電波、X射線或肉眼可見的電磁放射，普遍認為它們是旋轉磁中子星
- Any of several celestial radio sources emitting short, intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars. 脈衝星若干能發出無線電波的天體之一，能以有規律的間隔發出短促且強烈的無線電波、X射線或肉眼可見的電磁放射，普遍認為它們是旋轉磁中子星
- calibration of celestial radio radiation 天體射電的定標
- General Electric Radio Tracking System 通用電氣公司無線電跟蹤系統
- A transistorize radio takes no time to warm up. 晶體管收音機不需要預熱時間。
- Our pilotless rocket enters the track of the earth. 我們把一個無人駕駛的火箭送入了地球的軌道里。
- The apparent celestial origin of a meteoric shower. 流星群的輻射點明顯的流星雨太空光源
- Radio Beijing sends the news all over the world. 北京廣播電台向全世界播送新聞。
- The sun, moon, stars, etc. are celestial bodies. 太陽、月亮、星星等都是天體。
- She petitioned her neighbor to turn down the radio. 她請求鄰居把收音機關小點聲。
- This rough track will soon be a metalled road. 這條坑坑窪窪的路不久就要鋪上碎石了。
- I'm trying to track down my old Aunt Maud. 我正試圖尋找到我那年邁的嬸嬸莫德。
- The cyclist went at full sail along the track. 自行車手沿著跑道全速前進。
- They've been plugging his new show on the radio. 他們一直在電台上宣傳他的新節目。
- Bill has a feeling he is on a fast track. 比爾感覺到他正快速邁向成功。
- How much do you think this radio will sell for? 你認為這台收音機會賣多少錢？
- The new race track is nearly six miles in extent. 這條新跑道將近六英里長。
- I am able to pick you up on the short wave radio. 我能用短波收音機收聽到你的信號。
- I was able to pick you up on the short wave radio. 我能用短波收音機收聽到你的信號。
