本标准涵盖了风力涡轮机转子系统（包括转子叶片、轮毂、变桨和偏航系统）监督和测试方法的技术要求和实用指南。

This standard covers technical requirements and practical guidelines for the supervision and test methods of wind-turbine rotor systems, which includes rotor blade, hub, pitch, and yaw system.