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二、虽然cai有着许多突出的特点， 但在教育实践中证明是有效的。
Two, although the cai has many outstanding characteristicses, in educate practice the certificate is valid.

但是作为新生事物必然存在不足和缺陷，如cai教学系统一次性投入大，费用高，而且cai技术要求高。
But be the new-born thing inevitable existence shortage and blemishs, throw in such as a sex of the cai teaching system greatly, the expenses is high, and the technique of cai have high request.

因此限制了许多有经验的学科教师亲自编制课件。
Therefore limitted many experienced course teachers to draw up the lesson piece in person.

cai课件的制作远没能达到传统教学过程中备课这么方便自由。
The manufacture of the cai lesson piece did not can attain far to prepare lessons the so convenient freedom in the traditional teaching process.

但是考虑仔细一下，不难发现：
But consider careful once, not difficult detection:

老师很难把过多的精力投入到开发软件上，如果老师把大量的时间和精力都投入到软件开发上，就不能将主要精力放在如何利用计算机技术组织教学上来，甚至不能将主要精力放在教学研究上来。
An excessive energy of teacher throws in the development software, if the teacher make a great deal of time and energies throw in the software all development up, can't put the main energy how the exploitation calculator technique organizes the teaching to come up, even can't put main energy in the teaching to study to come up.

从而出现了计算机辅助教学只在这种公开课、观摩课来进行教学，装点一下门面的这类情况。
Thus appeared the calculator extended education only in this kind of public lesson, observe and learn the lesson to carry on the teaching, pack to order this circumstance of the public appearance.

其实，我们认为教师最主要的任务不在于开发软件，而是如何应用现有的软件把计算机的优势发挥出来。
In fact, we think that the mission of teacher's most does not lie in the development software, but how apply the existing software to develop out the advantage of the calculator.

需要指出的是这里所说的“软件”并不是指一个具体的课件，而应是面向学科的工具型软件，包括带有学科特色的平台和多媒体资料库。
What demand point out is" software" that the here say not mean a concrete lesson piece, but should be a software of tool that faces to the course, include to take the terrace and multi-media databases of have the course special featureses.

实际上，近几年来国内出现了一批有教学应用价值的软件。
Actually, in the last few years local emergence a software that has the teaching application value.

只要教师能基本掌握使用计算机的能力，稍加培训就能够自如的运用它们来按自己的意愿制作小软件，紧密配合自己的教学过程，实现计算机辅助教学，现在有一个用于几何教学的平台叫作“几何画板”它适合用于平面几何、解析几何、射影几何等教学中使用，同时也能用于物理教学中的力学、几何光学与数学模型、几何图像结合密切的部分课程。
As long as teacher the ability is basic to control the ability of use the calculator, training slightly more can from such as of made use of them to press own will to manufacture the small software, own teaching process of close match, carry out the calculator extended education, have a terrace that useds for several teachings to be called" several drawing board" to suit to used for the plane geometry, analytic geometry and project image now several how teaching in usage, also can used for the mechanics, several optics within the physics teaching to combine with the mathematics model, several pictures closely parts of courses.

而且界面简单、容易学习、直观好用，因此这样的软件很受老师的欢迎。
And the interface is simple, easy study, keep the view friendly, so such software is welcome among the teacher very much.

另外一个比较重要的原因就是一些老师把计算机辅助教学的作用看的过高，没有根据教学要求来进行课件设计。
Moreover a more important reason is some teachers to see the function of the calculator extended education of over high, did not request to carry on a design of lesson according to the teaching.

制作出来的课件有原来的“满堂灌”变成了现在的“电子灌”，因此在设计课件时，不仅要注意软件的设计技巧，更要注意学习理论和教学设计方法的运用，这才有助于提高cai课件的质量。
The lesson piece that creation come out have originally of" the full hall infuse" became" the electronics infuse" of now, so while design the lesson piece, not only need to notice the design technique of the software, but also would not° notice the usage of study the theories and the teaching design method, this contribute to the quantity that raises the cai lesson piece.

三、寻求计算机辅助教学软件开发和应用的新路子——积件思路 不同的软件是有不同的功能特点和用途的，世界上不存在一种适应各种条件的万能软件。
Three, look for what different from applied new road son- accumulate a way of thinking software of the calculator extended education software development is to have the different function characteristics and use, in the world all-powerful software of nonexistent kind of orientation various condition.

随着计算机软件技术的高速发展，使全世界几乎所有的主流软件都向资源库、平台化、人性化方向发展，显然教育软件也应该走世界软件发展的共同方向。
Along with the calculator high speed that software is technical development, make almost all essential softwares of whole world all turned toward resources database, terrace and humanize the direction development, educating the software obviously also should walk common direction of the software of the world development.

因此，运用积件思想，走素材资源库和制作平台相结合的新思路，是使音乐软件开发和应用走出目前困境的有效途径。
Therefore, the usage accumulates a thought, walk the material resources database and manufacture the new way of thinking that the terrace combine together, is make music software development and applications come out predicament currently of valid path.

积件是一种思想，它是一种关于cai发展的系统思路，是针对课件的局限性而发展起来的一种新的教学软件开发和应用模式。
Accumulate the piece is a kind of thought, it is a kind of system way of thinking that develops concerning the cai, is limit sex but develop to the lesson piece of a kind of new teaching software development and apply the mode.

积件提出者认为，积件由积件库和积件平台组成。
The one who accumulate piece put forward think that accumulate the piece from accumulate a database and accumulate a terrace to constitute.

积件库是教学资料和表达方式的集合，包括五个部分：
Accumulate a database is the teaching data and the expression methods to gather, including five parts:

⑴多媒体教学资料库；
Multi-media teaching database of ⑴ ;

⑵微教学单元库；
Tiny teaching unit database of ⑵ ;

⑶虚拟积件资源库；
The conjecture of ⑶ accumulates a resources database;

⑷资料呈现方式库；
The data of ⑷ presents the way database;

⑸教学策略库。
Teaching strategy database of ⑸ .

积件组合平台则是供教师和学生使用组合积件库并最终用于教学的软件环境。
Accumulate a combination terrace to be then provided for teacher and students to use the combination accumulates a database to combine end used for the teaching of software environment.

积件的过程，对课堂教学来说，就是教师根据教学的实际需求，面对不同的教学对象，针对某一教学阶段和教学目标，充分利用教学素材，结合教学策略，制作出千变万化的有效课件。

Accumulate the process of the piece, to the classroom teaching, is a teacher according to the actual need of the teaching, face the different teaching object, aim at one some teaching stage and the teaching targets, make use of the teaching material well, combine the teaching strategy, create a lesson piece with valid phantasmagoria.