Isaacman also said the agency would halt work to develop a more powerful version of the SLS rocket's upper stage, known as the Exploration Upper Stage, or EUS. Instead, NASA will go forward with a "standardized," less powerful stage but one that will minimize major changes between flights and utilize the same launch gantry.
30多年前，在福建最贫困的闽东山区任职，习近平同志就明确强调：
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* Write a detailed test suite as you add more features. The test must be re-executed at every major change.
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Медведев вышел в финал турнира в Дубае17:59，更多细节参见谷歌浏览器【最新下载地址】
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