The cerium oxide preferably has a fluorite type superlattice structure.该氧化铈还优选具有萤石类似结构的超晶格结构.A method for direct determination of cerium dioxide content is studied.介绍了一种直接测定氧化铈含量的新方法.Lanthanum praseodymium - cerium rare ...
Stones are bedded in cement.用水泥砌牢石头.She bedded the children down without much trouble.她没费多少事就把孩子安顿睡了.On those nights when they could find no monastery or inn to take them in, they bedded down in the fields.那几天晚上，他们找不到可以投...
This evidence supports their contention that the outbreak of violence was prearranged.这一证据证实了他们的观点，即此次突发暴力事件是有预谋的。Conditions were ripe for an outbreak of cholera.霍乱即将暴发。In Peru, a cholera outbreak continues to spread.霍乱在...