The new image was assembled from a series of separate images that were taken through different filters with a total exposure time of close to 50 hours.
这张新的图片是由许多用不同滤光片将近曝光50小时拍摄的图像合成的。
At the same time, the people believe, military total exposure, will be shocked the world.
同时，人民相信，军费总额的曝光，将震惊全世界。
The group said that parents should limit 'total entertainment screen time to less than one to two hours per day, and' discourage screen media exposure 'generally to kids under the age of two.
该学会称，父母应该将每天孩子的屏幕娱乐时间限制在1 - 2个小时以下，并建议不要让两岁以下儿童接触带屏媒体。
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