美国地质勘测局估计，北极地区蕴含着多达25%的世界上未发现的石油和天然气。
The U.S. Geological Survey estimates the Arctic has as much as 25 per cent of the world\'s undiscovered oil and gas.
地球物理研究者和学者马尔凯姆—约翰斯顿代表美国地质勘测局说吧把这些事件归咎于月球轨道已经不是一个新观点了。
Research geophysicist Malcom Johnston with the USGS says that blaming such events on the moon's orbit is not a new idea.
像美国地质勘测局的科学家迈克尔·卡尔，他认为海洋覆盖了火星的大部分地区。他的观点现在也面临着来自全球监测机构研究结果的挑战。
Scientists like Michael Can at the U. S. Geological Suwey who believe oceans once covered much of Mars face a serious challenge from the Global Surveyor studies.
LDCM是由NASA和美国内政部地质勘测局(usgs)共同实施的地球资源卫星计划的一个组成部分。
LDCM is a component of the Landsat Program conducted jointly by NASA and the U.S.Geological Survey (USGS) of the Department of Interior.
LDCM是由NASA和美国内政部地质勘测局(usgs)共同实施的地球资源卫星计划的一个组成部分。
LDCM is a component of the Landsat Program conducted jointly by NASA and the U.S. Geological Survey (USGS) of the Department of Interior.
LDCM是由NASA和美国内政部地质勘测局(usgs)共同实施的地球资源卫星计划的一个组成部分。
LDCM is a component of the Landsat Program conducted jointly by NASA and the U. S. Geological Survey (USGS) of the Department of Interior.
LDCM是由NASA和美国内政部地质勘测局(usgs)共同实施的地球资源卫星计划的一个组成部分。
LDCM is a component of the Landsat Program conducted jointly by NASA and the U. S. Geological Survey (USGS) of the Department of Interior.
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