So it looks a lot less messy if we just draw our Lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there.
这看起来整洁了不少,如果我们把氰化氢的路易斯结构画成这样的话，这样我们就有氢与碳之间的单键和碳与氮之间三键，然后还有一对孤对电子在氮这里。
They were divided into coronary heart disease group (c), hypertensive cardiopathy group (h), and a normal group (n).
冠心病组(C)、高心病组(H)、正常对照组(N)。
They were divided into coronary heart disease group (c), hypertensive cardiopathy group (h), and a normal group (n).
冠心病组(C)、高心病组(H)、正常对照组(N)。
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