含有与氮原子相连的硝基的物质称为硝胺.Nitramines are substances which contain a nitro group bonded to nitrogen.较好的配方是那些高硝基增塑的硝化棉粘合剂配方.The preferred compositions are the highly nitroplasticized nitrocellulose binder compositions.当二硝基酚施于叶子时,...
The spoken word is immediate but lacks permanence.口头之言便捷，但缺乏持久性。Anything which threatens the permanence of the treaty is a threat to peace.任何对条约持续生效构成威胁的因素都将危及和平。They gradually realized the permanence of their condition....