[Tc] openEuler 生命周期管理规则公示

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• openEuler生命周期管理规则v1.1.pptx (application/vnd.openxmlformats-officedocument.presentationml.presentation — 1.7 MB)
• image001.png (image/png — 135.3 KB)
• attachment.htm (text/html — 2.8 KB)