窃喜 发表于 2025-3-25 06:58:34
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Future Directions,ill be of a more general nature — perhaps facilities for creating a simulation or providing audio and/or graphic support to accompany a CRT screen presentation. This chapter examines some of the more generic functions that author languages for CAL might have to support.长矛 发表于 2025-3-25 15:39:16
Interacting with Computers,les of abstract objects. Similarly, a county or a state is an example of a notional object since the borders that define its actual physical extent could at any time be changed. Likewise, a taxonomy of knowledge is again an example of a notional concept or object. Frequently, the term ‘entity’ is usdandruff 发表于 2025-3-25 16:48:45
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http://reply.papertrans.cn/17/1661/166003/166003_25.png蚊子 发表于 2025-3-26 03:21:15
Württembergischer Gesangbuchkatalogthat the computer is attempting to promote. These two examples alone are sufficient to illustrate the inappropriateness of the keyboard/CRT combination within certain learning and teaching situations. Of course, many other examples could be cited.cipher 发表于 2025-3-26 08:16:58
7楼删减 发表于 2025-3-26 10:41:33
7楼Condense 发表于 2025-3-26 12:56:01
7楼Nomadic 发表于 2025-3-26 17:40:55
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