介绍了电磁法快速检测球墨铸铁珠光体含量的基本原理、检测方法及传感器技术。
This paper introduces the basic principle of fast evaluating the pearlite content in nodular cast iron by electro-magnetic effect, the testing method and the transducer technology.
当铁珠被吸向磁铁，DNA链便会缓慢的通过纳米大小的开口，其碱基便可被读取。
As the bead moves toward the magnet, the DNA strand passes through nano-sized opening slowly enough that its base pairs can be read.
南京地铁珠江路站-鼓楼站区间，穿越软~流塑状淤泥质粉质粘土地层和众多地面建筑物及密集地下管线。
The Nanjing subway section between Zhujiang Road station and Gulou station passes through many ground buildings and dense underground pipes in soft-flowing mucky silty clay ground.
一天，都柏林大学圣三一学院的物理学家陈和奎正拿着一些铁珠玩耍，试图将他们以最有效的方法装进一个小的圆柱型管子里。
One day, physicist Ho-Kei Chan of Trinity College Dublin was playing with steel ball bearings, trying to pack them into a little cylindrical tube in the most efficient way possible.
一天，都柏林大学圣三一学院的物理学家陈和奎正拿着一些铁珠玩耍，试图将他们以最有效的方法装进一个小的圆柱型管子里。
One day, physicist Ho-Kei Chan of Trinity College Dublin was playing with steel ball bearings, trying to pack them into a little cylindrical tube in the most efficient way possible.
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