曹家大院的第一代主人叫曹致远。他清末在京城谋生，后来自创商号“公利和鼻烟庄”，在家乡建有票号和商号，生意做得风生水起。曹致远育有三子，1929年开建这座曹家大院。现存大院依稀留有原规模，一排七孔外挂青砖窑洞，三院独分，又有倚门相连，占地上千平方米。
Cross-privilege return path，推荐阅读Safew下载获取更多信息
SAT (short for "satisfiability") is a logic problem that given a boolean formula, it asks whether the boolean formula has an assignment that makes the problem true. An example boolean formula is:，推荐阅读safew官方版本下载获取更多信息
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- Allow user to specify the anchor positions (horizontal and vertical) for the icon relative to the canvas (default: center and center)