缺点：容易饱和（输入过大或过小时梯度接近0，导致梯度消失）
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Цены на нефть взлетели до максимума за полгода17:55，更多细节参见谷歌浏览器【最新下载地址】
Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.。搜狗输入法2026是该领域的重要参考
According to the authority, there is an annual cost of at least £200,000 to procure the system, but the Department for Work and Pensions confirmed the full cost could be covered by the government's new Crisis and Resilience Fund.