单词:beam-lead sealed-junction structures
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It is curious that our own offenses should seem so much less heinous than the offenses of others. I suppose the reason is that we know all the circumstances that have occasioned them and so manage to excuse in ourselves what we cannot excuse in othe
On Motes and Beams It is curious that our own offenses should seem so much less heinous than the offenses of others. I suppose the reason is that we know all the circumstances that have occasioned them and so manage to excuse in ourselves what we can
[00:03.38]1998 [00:06.71]They were, by far, [00:07.93]the largest and most distant objects [00:10.14]that scientists had ever detected: [00:12.36]a strip of enormous cosmic clouds [00:14.67]some 15 billion light-years from earth. [00:17.40](1)But ev
Best of Megastructures 伟大工程巡礼之最 by Kevin Lustig In the last 100 years, 11 different skyscrapers have held the title of world's tallest building. With improvements in technology and materials, humans are pushing the limits of what buil
New Wildfire Starts Near Los Angeles A dangerous wildfire has started in the Bel Air area of Los Angeles, California, as firefighters battle three other fires across Southern California. The latest wildfire reached the side of the busy Interstate 405
AS IT IS 2015-06-16 After Quake, Nepal Reopens Centuries-Old Structures 尼泊尔震后重新开放古建筑 Nepal has reopened its major World Heritage Sites in an effort to get tourists to return. Nepal depends heavily on money spent by overseas vi