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英国国家空间中心和苏联签署了一项空间合作协定,英国科学家将参加苏联的国际行星际探测计划,并可能共同研制一颗英国/苏联 x 射线天文卫星。苏联和英国已经着手商讨关于 x 射线天
The National Space Center of the United Kingdom and the Soviet Union signed a space cooperation agreement. British scientists will participate in the international interplanetary exploration program of the Soviet Union and may jointly develop a British / Soviet x-ray astronomy satellite. The Soviet Union and Britain have already started discussions on x-ray days