[党建矩阵](%E5%85%9A%E5%BB%BA%E7%9F%A9%E9%98%B5.md) [第一书记](%E7%AC%AC%E4%B8%80%E4%B9%A6%E8%AE%B0.md) [入党申请](%E5%85%A5%E5%85%9A%E7%94%B3%E8%AF%B7.md)