The main production LED tactile touch switch. Dust light touch switch. Limit detection switch. Waterproof audio headphone jack.

主导生产LED触觉轻触开关。防尘轻按轻触开关。限位检测开关。防水声频耳机插孔。

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A long tendril of colder gas and dust extends many light years into the void from the receding ionization front.

低温气体和尘埃长长的卷须从渐行渐远的电离前沿一直延伸到数光年远的太空。

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The region features immensely powerful blue stars, which light interstellar dust grains, producing the blue part of the glow.

这个区域的主要特征是极其强大的蓝色恒星，这些恒星使星际尘埃颗粒发出光照中蓝色部分的光。

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These huge groups of stars, gas and dust can be many thousands of light years across.

VOA: special.2009.01.20

But 561 residents say they are worried about noise, dust and light pollution.

BBC: Bristol

Use the versatile tote to store and help protect gloves, scarves or hats and more from dust and light.

FORBES: Back to School: Tuition and Fees Deduction

The infra-red light from dust heated by a star has a much longer wavelength ie, is cooler than most of the light from the star itself, so a camera tuned to the right wavelength can pick out a dust disc without being totally blinded by the stellar glare.

ECONOMIST: Dusty genesis