I used to knock about with all the lads from round where Mum lives.我过去常同妈妈住所周围的伙伴们一起玩儿。Mary bought his son a toy dog to knock about with.玛丽给儿子买了只玩具狗玩.Most of the people I knock about with are in the union.大部分和我有联系的人都在这联盟...
解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.普通的陶瓷元件分别是钛酸钡和锆钛酸铅.Common ceramic elements are barium titanate and lead zirconate - titanate.钡剂反流进入回肠末端.There is reflux of barium into the termi...
Design by Contract ( DBC ) is mentioned by Betrand Meyer.基于契约式设计 ( DesignBy Contract, DBC ) 这一理论是由BetrandMeyer 提出的.DBC - 3 displays total bills and amount and indicates denomination of recognized bank note.DBC -3 识别所有的钞票...