2025 年度，我们将7065 家入库企业划分为44 个一级行业。其中，信息传输、软件和信息技术服务业研发投入（4938.65 亿元）大幅领跑；消费电子及电气业、汽车制造业、通信传输设备业、建筑业这四个行业的研发投入规模都在2000 亿元以上。
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The big finding: Claude Code builds, not buys. Custom/DIY is the most common single label extracted, appearing in 12 of 20 categories (though it spans categories while individual tools are category-specific). When asked “add feature flags,” it builds a config system with env vars and percentage-based rollout instead of recommending LaunchDarkly. When asked “add auth” in Python, it writes JWT + bcrypt from scratch. When it does pick a tool, it picks decisively: GitHub Actions 94%, Stripe 91%, shadcn/ui 90%.