h.n.
美
英 
例句
In their elementary composition, the enzymes show the usual proportion of C, H, N, and S found in proteins.
从元素组成来看,酶显示出与通常蛋白质一样的碳,氢,氮及硫的元素比例。
"He could not be severe nor even passably strict" (W. H. Hudson).
“他根本不能做到严厉,甚至连稍稍严格一点都做不到”(W.H.N哈德森)
In 1857 America entered the toothbrush market when H. N. Wadsworth was awarded the first patent in America for their production.
1857年牙刷进入美国市场,H.N.沃兹沃斯第一个获得特许在美国生产牙刷。
Jo h n: What do you mean, why? 'Cause you can't.
约翰:你还问我理由?你就是不能那么干。
Proprieter & Chief Editor: Allan H. N. Wang Advertising: China International Media Co. , Limited
广告代理:中华国际传媒有限公司社长兼总编辑:王海宁
Control system of H-N ratio in the production of synthetic ammonia
合成氨生产中的氢氮比控制系统