tool specification

This paper firstly introduces current situation about courseware tool in brief and IMS specification in detail, especially IMS content packaging specification. Then we present a new web courseware tool model, which can fully embody the teacher's own teaching style.

本文首先简要介绍了当前课件制作工具现状，详细介绍了IMS教育规范，特别是IMS内容包装规范，然后在此基础建立了一个能够充分体现教师教学风格的个性化Web课件制作模型。

It can produce three specification ( L , M , S ) of products by exchanging tool and simple regulation.

更换刀具和简单调整,可生产大 、 中 、 小三种规格.

The ability of multiple lineage differentiation and long term self-renewal make stemcells to be the most important seed cells in future regenerative medicine and the best tool for the research inhuman early germ layer specification and organogenesis, drug screen and gene therapy.

干细胞具有的多向分化潜能和自我更新能力使其成为未来再生医学的重要种子细胞，并成为研究人类早期胚层特化和器官形成、药物筛选以及基因治疗的最佳工具。

The custom glue code is a simple tool that reduces the address trace to a graph specification.

定制的中间代码是一个非常简单的工具，它可以减少对图形规范的地址跟踪。