慢波睡眠（SWS）是最重要的睡眠成分。

SWS is the most important component of sleep.

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探讨了二阶慢漂力中各成分在不同频率时的相对重要性。

Relative importance of each component contained in the second-order slowly varying forces is also discussed.

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本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。

The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.

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本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。

The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.

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