Long time exposure to dust in densely populated regions, will naturally lead to cracks in case leakage into dust.

长时间暴露在灰尘密集的区域，自然会导致表壳缝隙中漏入入灰尘。

In taking a master of embossing hologram, the movement of interference fringe will lower the quality of hologram during long time exposure.

在拍摄模压全息母版时，由于记录时间较长，那么干涉条纹随机漂移的影响将会变得十分严重，使全息图片质量下降。

Cars at evening rush hour create streaks of light in this time exposure, which also captures horse-drawn carriages waiting at curbside for tourists.

图片是在夜晚交通高峰期，车辆照射出的灯光条纹的定时曝光，同时抓拍了在路边等待游客的马车。

Apply ointment liberally as often as necessary, with each diaper change, especially at bedtime or any time exposure to wet diapers may be prolonged.

适用软膏宽松经常是必要的，每个尿布变化，特别是在睡前或任何时间接触到湿尿布可能会延长。

So can never wear Leather Watchband watch go swimming (or long time exposure to water, things) long-term sweat retting, can make the watch strap moldy taste.

所以绝对不能够戴着皮质表带的手表去游泳(或做长时间接触水的事情)，长期的汗水浸沤，还能使表带发霉变味。

Removing the gas in fruit puree could delay its enzymatic browning and reducing the time exposure of juice and puree to air also inhibit enzymatic browning.

果浆脱气可减缓其褐变；减小果汁及果浆与空气接触面以防止褐变。

Captured in this 60 second time exposure made on April 14, a yellow-tinged Mars and M44 are near the center of the field, seemingly just beyond the reach of a pine tree.

这张曝光60秒的照片摄于4月14日，微黄色调的火星和M 44接近视场的中心，看似就在松树的顶端之外。

A variable transmittance is provided to different position on grayscale mask plane and the required diffractive optical elements can be obtained after one-time exposure.

通过灰度掩模平面不同位置处提供可变的透过率，经一次光刻后得到所需的衍射光学元件。

A herd of stars makes tracks across Alaska's northern lights in a time exposure taken when the temperature reached minus 58 degrees Fahrenheit (minus 50 degrees Celsius).

阿拉斯加图片。一群人的星星很快跑到穿过阿拉斯加的北极光在定时曝光摄取当温度达到华氏58度(摄氏负50度)。

Over time, unprotected exposure can contribute to cataracts, as well as cancer of the eyelids and the skin around the eyes.

长时间毫无保护的眼部暴露会导致白内障，或者一种眼脸和眼部周围皮肤可得的癌症。

This means that exposure time can be extremely short even in poorly lit conditions.

这意味着，即使在光线并不足的条件下，曝光时间仍然可以极短。

The long exposure time required for moonlight photography often means that the moon may have moved significantly over the course of the exposure.

夜间摄影需要长时间曝光，这就意味着月亮可能会在曝光期间有很明显的移动。

This way, any vibrations induced by the mirror have time to settle down before the exposure begins.

由此，镜面翻转造成的震动就有时间在曝光开始前缓和下来。

A long exposure time captured stars in this photo-and the brief balanced light from both a fading moon and a brightening eastern sky.

长时间曝光捕捉到照片中的星星，以及淡出的月亮和明亮的东部天空短暂的平衡光。

The researchers believe that the sunburns will worsen over time, due to increased ultraviolet radiation exposure.

研究人员相信灼伤会因为紫外线照射的暴露，随着时间而恶化。

So continuous exposure over time could leave substantial amounts of inflammatory particles in the brain, he speculates.

因此，长时间持续接触污染物会使得大量致炎粒子停留在脑部，他推测道。

A long exposure time captured stars (seen as white flecks in the sky) and the exceptional light in this image.

长时间曝光捕捉到图中的那些星星(空中白色的斑点)和特殊的光。

It has a wide-aperture lens to capture as much light as possible, and the technology requires no clunky auto-focus mechanism. It adjusts exposure time automatically.

它的大光圈镜头可以摄入尽可能大的光量，所用技术并不需要笨重的自动对焦系统，曝光时间也是自动调节。

You could use a tripod and a long exposure time.

你可以用三角架，并加长曝光时间。

Get enough sun exposure, he says, and skin will wrinkle long before its time.

在阳光下暴露足够久，皮肤的皱纹就会出现得早得多。

Usually one can first meter using a larger aperture (so that the metered exposure time is under 30 seconds), then stop down as necessary and multiply the exposure time accordingly.

通常，你可以用大点的光圈测光(这样，测量的曝光时间就在30秒以内)，随后缩小光圈，相应地增加曝光时间。

Photos are unavoidably limited by the trade-off between depth of field, exposure time and image noise.

你必须在景深、曝光时间和噪点之间做出权衡。

You will be exposing both the lightning and the foreground and background when you are taking these pictures. The ambient light will determine your exposure time.

在曝光时你要照顾到闪电和前后景，周边的光线会限制你的曝光时间。

with repeated exposure over time, you cross that threshold, and your body reacts.

但反复长时间暴露在这些过敏原中，你便超越了那个界限，身体便会有所反应。

The only proven biological effect of radiation at Chernobyl was an increase in thyroid cancer among those who were children at the time of exposure.

托马斯（Gerry Thomas）指出，切尔诺贝利核扩散可能增加儿童甲状腺癌症发生率的风险性预测，唯一能得到生物学效应证明的只是那些当时直接暴露在核辐射下的儿童。