Shadow DOM is a web component feature that lets you attach an isolated DOM subtree to any HTML element, hidden from the main document’s standard queries. A querySelector('audio') on the main document cannot see inside a Shadow Root unless you specifically traverse into it. If fermaw’s player was mounted inside a Shadow Root, basic DOM searches would come up empty.
直观理解一下，激活函数就像神经网络里的开关或滤镜，它决定了每个神经元应该多大程度地激活，从而使网络具备强大的表达能力。
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在贵州，要求当地积极融入全国统一大市场建设，“坚决破除地方保护、市场分割、‘内卷式’竞争”；对海南热带雨林保护念兹在兹，强调“要跳出海南看这项工作”；对新疆发展，勉励“把新疆自身的区域性开放战略纳入国家向西开放的总体布局中”；在内蒙古，指出“做大做强国家重要能源基地，是内蒙古发展的重中之重”……
By installing a VM from this new image, we can verify that everything works as expected.