The Pelamis's design avoids the trade-off between resilience and efficiency by switching to a higher-efficiency mode in calm seas.

“海蛇号”的设计通过采用在平静海面更高效的模式，从而避开了弹性和效率不可兼顾的矛盾。

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The conclusion that the forward skewed rotor has a higher efficiency and wider off design performance is validated once more.

验证了前弯叶片相对直叶片提高效率、扩大稳定工作范围的实验结果。

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