电视报道说“拉萨德”卫星，由伊朗航空航天局研发，重15.3公斤，每天在160公里的高空绕地球15次
The TV report said the Rasad satellite, developed by Iran's aerospace agency, weighs 15.3kg and has been designed to orbit the Earth 15 times a day at a height of 160 miles.
我国新一代流动卫星激光测距（SLR）系统TROS-I于2000年建成，并成功地在乌鲁木齐、拉萨西部地区进行了流动观测，弥补了国家SLR跟踪网在亚洲腹地的空缺。
The TROS-I is a new generation mobile SLR system in China. TROS-I has successfully obtained SLR data in Urumqi and Lhasa in middle western China where no SLR station existed before.
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