这样执行的时间会更长，因为每个计算都至少要执行两次。
This will take a long time because at least one of the calculations will be performed twice.
太空观测站在过去一年记录了将近70个这样的太阳耀斑，每个规模都差不多是“巨型”耀斑的十分之一，从2007年以来，这种“巨型”耀斑共发生了两次。
Space observatories in the past year recorded about 70 such solar flares, each roughly ten times weaker than "extreme" flares, of which only two have occurred since 2007.
这两家俱乐部都仅仅两次在欧冠中折桂，这个记录不比波尔图或者诺丁汉森林这样的球队好多少。
United and Barcelona, as winners of the European Cup just twice, have records no better than those of, say, Porto or Nottingham Forest.
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