The second variant is called "Wind Blade", and adds the extended wingspan and winglets you see above.

第二个叫做“风刃”，在其上面可以看到附加的翼展和翼翅。

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A pitch controller rotates each blade around a bearing, setting it to the best angle for the wind speed.

同时间距控制装置会根据风速旋转安装在轴承上的风叶，保持在最佳角度。

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Danish scientists are developing a new wind turbine blade that mimics the stability found in hawk wings during highly-turbulent wind events.

丹麦科学家正在开发一种新型的风机叶片，它模拟实现了鹰翼在强紊流风力条件下的稳定性。

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Wind blade equipment today, probably constitutes roughly 20% of ocean-borne multi-purpose heavy lift cargo today.

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The project, part-funded by the UK's Department for Business, Innovation and Skills, saw a full-scale 44m prototype turbine blade fitted at a wind farm in Norfolk.

BBC: 'Stealth' wind turbine deployed

It will feature six wind turbines with a maximum height of 64 metres and a maximum blade diameter of 71 metres.

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