冬至日

2012年12月21日不是世界末日，它只是另一个冬至日。

Dec. 21 , 2012 , won 't be the end of the world as we know , however , it will be another winter solstice .

世界绝对不是在今天冬至日走向终结。

THE world is definitely not coming to an end today , the winter solstice .

并在此基础上，计算了全国6个典型地貌类型区，在春秋分日、夏至日和冬至日，两个空间分辨率下（500m和1km）地面日照时间的空间分布。

In this study , 6 typical terrain areas within China were selected and their spatial distributions of sunlit time on the vernal and autumnal equinoxes , the Summer Solstice and midwinter day in two different resolutions ( 500m and 1km ) were calculated using the developed model .

冬至日的夜晚才叫大，在南加利福尼亚一共有整整14小时呢！

The is a big night . It 's over 14 hours in Southern California .

古代密教的世纪追随者则确信不疑：巨石阵与夏至、冬至日有关。

Twenty century followers of ancient mystical beliefs are sure that Stonehenge has a connection with summer and winter solstices .

譬如，中国的设计师会替竹竿寻求更多的用处，而南欧的设计师会创建特别灯光装置，以抗冬至日短的局势。

For example , Chinese designers derive new applications for Bamboo or North European designers create light installation to combat short days during the winter solstice .

许多人在冬至日欢欣鼓舞，因为冬天最糟糕的日子即将过去，他们可以期待更长的白天和更充足的阳光。

Many peoples rejoiced during the winter solstice , when the worst of the winter was behind them and they could look forward to longer days and extended hours of sunlight .

人们认为戈瑟克圈大约是在公元前4900年由新石器时代的人建造的，这三个门与冬至日日出方向一致。

It is believed that the monument was built around 4900 BC by Neolithic peoples , and that the three openings correspond to the direction from which the sun rises on the winter solstice .

对东西走向和南北走向的华东型连栋塑料温室采用曲线积分的方法，在考虑相互遮荫的情况下，模拟计算了在冬至日正午时各种拱顶切角双圆弧屋面的采光性能。

Meanwhile , taking the mutual shading effect of the neighboring spans into account , the direct solar radiation of arc vault of both east-west and south-north oriented multi-span greenhouse at noon on the day of winter solstice was calculated using the curvilinear integral method .

为了确保每年冬至日出现奇观，需要高难度的设计，表明建造过程中墓室受到了高度重视。除了对建筑师所刻画出的，神话中的太阳，有明显的假设，科学家们依旧对纽格莱奇墓建造的真正原因困惑不解。

The painstaking design needed to guarantee that the yearly solstice event occurs suggests that the site was held in high regard , but other than the obvious hypothesis that the sun featured prominently in the mythology of the builders , scientists are at a loss to describe the true reason for Newgrange 's construction .

经过长期观测，古人不仅了解到一天中表影在正午最短，而且得出一年内夏至日的正午，表影最短；冬至日的正午，表影则最长。

After a long-time observation ， the ancient people not only figured out that at mid-noon the length of the gnomon 's shadow was the shortest within a day ， but also that at mid-noon of the summer solstice and the winter solstice the gnomon 's shadow was the shortest and longest respectively within a year .