以计算机技术、通信技术、系统科学和行为科学为支柱,不断使人们的一部分办公活动物化于人以外的各种办公设备中,从而达到减轻劳动......

数学课堂小结的要求与方式课堂小结是整堂课教学的有机组成部分。好的课堂小结对帮助学生理清脉胳、总结重点、加深记忆、活跃思维......

留心报界动态,悄然之中,地摊小报渐渐失去往日的红火,转入“淡季”.与此形成对照的,是各大报的“文化版”、“读书版”跃上潮头,雅......

AIM To compare the amount of contrast used during percutaneous coronary intervention(PCI) via trans-radial access(TRA) v......

Use of X-ray contrast allows us to differentiate between two or more adjacent structures on radiographic studies. The X-......

【正】used to和would均可用来表示相对来说较远的过去习惯,常规或模式。如: 1.When we were children we used to/would go skati......

With extended and continued expansion of medical imaging utilization in modern medical practice over last decade, radiol......