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。
南方周末科创力研究中心，搭建中国企业科创力数据库，通过对运营主体/控股股东在中国的A股、港股和美股企业（也包括少量未上市，但有发布经第三方审计年报的企业）的研发投入、研发产出和企业经营等近30个指标进行梳理，以追踪中国企业的科创活动。
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To make my experiment more compelling, one should try to implement a Z80 and ZX Spectrum emulator without providing any documentation to the agent, and then compare the result of the implementation. I didn’t find the time to do it, but it could be quite informative.
A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
Wireless earbuds and music streaming services have normalized listening to your favorite songs at a lower quality. For anyone who doesn't consider themselves an audiophile, that might not matter, but now that several streaming services offer higher sample rates and lossless audio, you might consider other ways of listening. In order to experience all the benefits of high-res or lossless audio, you need wired headphones, something that's increasingly difficult when most smartphones only have a USB-C port. That's where the iFi GO Link 2 comes in. The dongle plugs into a USB-C port and lets you connect a pair of wired earbuds while preserving your high quality audio at the same time.