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- radio astronomical receiver 射电天文接收机
- As a radio astronomical observation technology with very high space resolution, Very Long Baseline Interferometry(VLBI) has been widely used in the high accuracy deep space probe tracking activities. 甚长基线干涉测量(VLBI)是重要的射电天文技术,具有极高的空间分辨率,是国际上广泛采用的深空探测器高精度测量手段。
- It must be known to any kind of radio astronomer in the universe. 这个频率是宇宙中任何射电天文学家都应该熟悉的。
- identification of radio astronomical spectral lines 射电天文谱线证认
- Orbiting Radio Astronomical Observatory 正在轨道上运行的无线电天体观测台
- British radio astronomer founded and directed(1951-1981) the Jodrell Bank Experimental Station. 英国射电天文学家,建立和领导了焦雷尔班克实验基地(1951-1981年)。
- British radio astronomer who founded and directed(1951 - 1981)the Jodrell Bank Experimental Station. 洛弗尔,(艾尔弗雷德 查尔斯)伯纳德生于1913英国射电天文学家,建立和领导了焦雷尔班克实验基地(1951-1981年)
- British radio astronomer who founded and directed(1951-1981) the Jodrell Bank Experimental Station. 洛弗尔,(艾尔弗雷德·查尔斯)伯纳德生于1913英国射电天文学家,建立和领导了焦雷尔班克实验基地(1951-1981年)
- "For us to find something like this so early on in the life of the array is a great and big surprise," raves radio astronomer Phillip Diamond. 射电天文学家菲利蒲·戴奥蒙德说;“该阵列使用的时间才这么短,我们就发现了这种东西,非常了不起,令人极为震惊。”
- Why can radio astronomers observe during the day, whereas optical astronomers are (for the most part) limited to nighttime observing? 译文:为什么射电天文学家可以在白天观测,而光学天文学家的绝大多数观测只能在夜晚进行?
- It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951; it must be known to any kind of radio astronomer in the universe. "它是人们于1951年发现的太空氢原子的天然发射频率,宇宙间任何一种射电天文学家都必定知道它。"
- Radio astronomers are now able to synthesize the response of a partially filled aperture of large diameter and thus to map variations in nebular brightness. 射电天文学家现在已经能够把部分充满的大直径孔径进行综合,从而描绘出星云亮度变化图。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- Meanwhile, analysis of the acceleration of pulses from a binary pulsar by radio astronomers at the University of Massachusetts in Amherst in 1978 provided indirect evidence of gravity waves. 与此同时,1978年阿默斯特市马萨诸塞大学的射电天文学家们对来自双脉冲星的脉冲的加速度所作的分析,也提供了引力波的间接证据。
- He was too poor to buy an astronomical telescope. 他太穷了,买不起天文望远镜。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- Please put the receiver back after calling. 打完电话后,请把听筒放回原位。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- Pick up the receiver and deposit a coin in the slot. 拿起听筒之后,放一个硬币在这个小口子里。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。