通过利用认知能力的无线电系统实现频段动态接入的频谱管理原则

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Curry favour. Hot, spicy foods containing chillies or cayenne pepper trigger endorphins, the feel-good hormones. Endorphins have a powerful, almost narcotic, effect and make you feel good after exercising.
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Ask yourself: What do I allow to distract me from really living? Next