The diode is photosensitive, so it should be enclosed with R1 in a light-tight electrostatic shield.

该二极管是感光性的，因此应与R1一起被安装在一个不透光的静电屏蔽套内。

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Get a small flashlight that is compact enough to get into tight Spaces, but not so small that it doesn't light anything up enough.

找一个方便在狭小空间使用的小手电，但不要小到没有足够的光亮。

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Packaging and storage-Preserve in tight, light-resistant containers in a cool place.

包装与保藏—包装要包紧，保存在避光，阴凉的地方。

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To shine a light on stable families and tight-knit communities.

WHITEHOUSE: Remembering Dr. Dorothy Height

For example, a car could gently increase the gas-pedal spring pressure when the speed is too high -- the navigation system knows how tight that upcoming curve is, remember -- or apply a light twist to the steering wheel if the car is drifting off course.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car

Google's tight rein over the gadget came to light today when one of the first would-be owners of the device abruptly halted an eBay auction because he feared reprisals from Google.

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