The cloudy nights in July are dark； the sky is soft blue in the autumn； the spring days are restless with the south wind.

七月的阴夜是黑沉的；秋日的天空是浅蓝的，南风把春天吹得骀荡不宁。

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The cloudy nights in July are dark; the sky is soft blue in the autumn; the spring days are restless with the south wind.

七月的阴夜是黑沉的；秋日的天空是浅蓝的，南风把春天吹得骀荡不宁。

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Results of calculation show that the differences of the sea surface effective radiation between cloudy and clear skys are very large, but their variations with the changes of wind speed are small.

结果表明，晴天与阴天的海面有效辐射值相差较大，可是它们随海面风速的变化均甚小。

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