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NASA also moved up the launch of Crew-12 to replace the prematurely-returned astronauts. That team docked at the ISS on February 14 and are scheduled to stay on the space station for around eight months.
各营收区间的研发强度则呈“金字塔”式负相关，即研发强度的最高值和中位数都随着营收规模的增长而递减。金字塔尖是那些营收万亿元级的巨无霸企业，它们的研发强度最高值和中位数分别仅为3.27%和2.08%；而金字塔底则是营收十万元级及以下的初创小公司，它们的研发强度中位数竟高达37446.12%，最高值甚至突破47441%。
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