听新闻,学英语 - 巨型望远镜已开机,中国再炫高新科技

听新闻,学英语 - 巨型望远镜已开机,中国再炫高新科技

2016-09-19    09'38''

主播: 粗只的大叶

47 5

介绍:
World’s largest single-aperture spherical telescope ready to work China's single-aperture spherical telescope "FAST" is ready to begin working as the feed cabin installation has been completed in the Southwest province of Guizhou. spherical /‘sferɪk(ə)l/ a. 球形的,球面的 aperture /‘æpətʃə/ n. 孔,孔径 cabin /'kæbɪn/ n. 小屋,舱 installation /ɪnstə'leɪʃ(ə)n/ n. 安装,装置 The 30-ton feed cabin, hoisted up to 130 meters above the telescope's reflector, is the core part of FAST. National Astronomical Observatories of China Deputy head Zheng Xiaonian explains the function of the feed cabin. hoist /hɒɪst/ v. 吊起,提升 reflector /rɪ'flektə/ n. 反射器 "It is the receiver of the FAST and the receiver is the most important part. It receives all the signals collected by FAST.” The cabin, driven by cables and automatic systems, can move with high precision. receiver /rɪ’siːvə/ n. 接收器 precision /prɪ'sɪʒ(ə)n/ n. 精确度 FAST is the largest telescope of its kind in the world, overtaking the Arecibo Observatory in Puerto Rico. It's now receiving signals, and debugging work is underway.