The US space agency also provided an update on the Artemis II mission, which will see four astronauts fly around the far side of the Moon and back to Earth.
核心优势难保留：这条船上现在用的核心系统，包括“Viking”的品牌、酒店管理软件，甚至部分内饰设计，都是维京游轮授权的，不在此次转让范围内，买家买了这船，不能保证维京以后还会给新船东用。
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The government has proposed a similar measure, but has yet to confirm when the restrictions will come into place.
We even tried building hierarchies with 2-3 levels, but the number of shortcuts grew too fast for higher levels if we generated a full graph inside each cluster.