Distance from a point to a plane

空将时间和空间整体地作为四维的连续统一体进行看待。弦理论问世以后，用三维空间来描述现实中的宇宙已经不再足够，而需要用到更高维的数学模型，例如十维的空间。 因次分析 點到平面的距離（英语：Distance from a point to a plane） 四維空間 歪斜線 函數圖形 立體幾何 二維空間

"Planning Round 10 is Going to be a Tough One." （页面存档备份，存于互联网档案馆） RAF Families Federation, 6 January 2010. Wilson, Tom. "Historic plane ends its career at Manston

of fuel to get it to Mars and back to Earth. The two-person American crew – a man and a woman – will orbit around Mars at a distance of 100英里（160公里） of

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Who's Right About Lift?, Plane & Pilot, [2011-01-14], （原始内容存档于2015-09-24）  "...the effect of the wing is to give the air stream a downward velocity component