越向左边拖动滑条，滤镜效果的强度就会越弱。

The farther you drag, the less the intensity of the effect.

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同轴电缆越长，信号强度越弱。

The longer the coaxial cable has to run, the weaker the signal.

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棚室内湿度大，光照弱，光照强度减半；

The humidity is heavy and the light is less.

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棚室内湿度大，光照弱，光照强度减半；

The humidity is heavy and the light is less.

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