Part of the reason is that wind power depends on, well, the wind. To safeguard against blackouts when conditions are too calm, officials have turned to coal-fired power as a backup.

部分原因是风力发电要以依靠风，为了防止“风平浪静”时出现的断电情况，官方不得不以火力发电作为后备电源。

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The sea, all calm and serene; sometimes like a roaring lion, in furious anger, calm wind, only to hear the waves kiss the stone on the beach sounds.

海，一切平静、安详；有时却像咆哮的雄狮，在狂暴的发怒着，风平静时，只听见那浪花亲吻着沙滩上的石头的声音。

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You don't calm the ocean by holding the water and not letting it move. What is necessary is to stop the wind.

Swamiananda 看了 Ranga 一会儿, 微笑着说：“ 你不能抱着水不让它移动来平息海浪，让风停止才是关键。

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When it's not storming in the ITCZ, the weather can be completely calm, with little to no wind.

CNN: Airplane went down in volatile equatorial zone

While he was in the rain, while it was raining so hard and the wind was blowing, he was praying that God will calm the water, calm the wind, so that he will be able to make it somewhere with his kids.

NPR: Succession Of Storms Cripples Haiti

They will need calm seas to launch and recover the sub - but while in the harbour, a strong wind has blown in, white caps topping the waves.

BBC: James Cameron gets ready to dive to the Mariana Trench