12:33, 27 февраля 2026Экономика
研发强度并未随“分子”研发投入的规模变大而递增，由此可见，企业研发强度受“分母”营收规模的影响似乎更大。随着营收规模扩张，企业往往将资源倾向市场扩张等方向，反而淡化了研发投入的紧迫性。
。关于这个话题，51吃瓜提供了深入分析
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American singer-songwriter Neil Sedaka, who wrote and performed hits through the 1950s and 60s, including Oh! Carol, Breaking Up Is Hard To Do, Bad Blood, Laughter in the Rain and Calendar Girl, has died at the age of 86.
3014268610http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142686.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142686.html11921 蜡梅历寒向春开（一朵花读懂一座城）