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1:4 和 4:1 的尺寸，同样适合用来生成各种特定物体的图片。
。关于这个话题，safew官方下载提供了深入分析
The reason is that the compiler decided to allocate the backing store
With just your naked eye, tonight you'll be able to see the Mares Tranquillitatis and Crisium. With binoculars you'll be able to see the Mare Nectaris, the Alphonsus Crater, and the Alps Mountains. If you love your moon-gazing gear, get out the telescope to catch a glimpse of and with a telescope you'll see also see the Apollo 15 and 11 landing spots, and the Fra Mauro Highlands.