2026-02-28 00:00:00:0本报记者 吴 君 花有品，城有格，湖北宜昌——
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An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.
However, it’s important to remember that Wi-Fi extenders are not true “signal boosters” since they are not designed to increase speeds across your home. In fact, you may find that the extender’s network is slower than your router’s. Instead, extenders are designed to increase the strong Wi-Fi coverage throughout your home, making them ideal for filling in dead zones. Some mesh extenders can help create a more seamless network, reducing the drop in speed and improving connectivity in larger spaces.
The idea is to catch cancer before someone starts to get ill and when it can still be treated.