介绍了利用PND测井资料进行气层识别的方法，即利用近探测器计数率和远探测器计数率以一定比例进行重叠的方法识别气层。
The method for recognizing gas zone with PND logging data is introduced, which is to overlap the counting rates of a near detector and a far one to recognize gas zone based on certain scale.
中国月球探测工程首席科学家欧阳自远透露，火星计划主要目的在于，在这颗红色星球上建立中国的空间探测器。
Ouyang Ziyuan, chief scientist of the country's lunar project, said the Mars programme will focus on creating space probes on the red planet.
旅行者1号的姐妹探测器——旅行者2号发射于1977年8月20号，已经到达距离太阳142亿公里远的地方。
A sister spacecraft, Voyager 2, was launched in Aug. 20, 1977 and has reached a position 14.2 billion kilometers (8.8 billion miles) from the sun.
旅行者1号的姐妹探测器——旅行者2号发射于1977年8月20号，已经到达距离太阳142亿公里远的地方。
A sister spacecraft, Voyager 2, was launched in Aug. 20, 1977 and has reached a position 14.2 billion kilometers (8.8 billion miles) from the sun.
应用推荐