The characteristics of network course contents and students are used to build, the model of describing knowledge point and knowledge cell.

针对网络课程内容与学习对象的特点，建立了描述原子知识点和知识单元的模型。

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This paper describes the structure, the development methods, the techniques and the results of education resources based on the knowledge cell.

本文描述了基于知识点的教学资源的构造、开发方法、技术以及实现结果。

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Not because of the charges, the gravity of the allegations, or the force of the evidence, of which I had no real knowledge yet, but because in a cell she was out of my world, out of my life.

不是因为那些控告，指控的严肃性或者证据的影响力，对此我还没有真正理解，但因为她坐牢就会离开我的世界，离开我的生活。

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According to a Western official with knowledge of the investigation, Salehi telephoned Karzai from his jail cell.

NEWYORKER: The Afghan Bank Heist

With a project-level perspective, an experienced developer possesses a thorough knowledge of field-tested plant performance down to the level of the solar module and even the solar cell itself.

FORBES: Going Solar: A New Approach To Measuring Performance

"Stem cell research has the potential to act as the key which opens the door to many advances in our knowledge and our ability to treat some of the most heart-rending conditions that are presently untreatable, " said the Aberdeen South MP, who suffers from a genetic condition called Gaucher's disease which results in brittle bones.

BBC: MPs vote to extend embryo research