求翻译：而在我们可利用的教学资源中，自制教具以其直观形象、使用灵活、成本低廉等优点，在信息技术教学手段大行其道的今天仍然发挥着不可替代的作用！是什么意思？

We can make use of teaching resources, Zizhijiaoju its visual image, the use of flexible, low cost, etc. still play an irreplaceable role in IT teaching methods popular today!

And when we can use in the teaching resources, and home-made teaching aids to its visual image, use a flexible, low-cost advantages of teaching in the information technology, the means of today still play an irreplaceable role!

But in us might in the use teaching resources, the self-made teaching aid by its direct-viewing image, the use nimble, the cost inexpensive and so on the merits, still was today playing the role in information technology teaching method big line of its which could not be substituted!

And we can use the teaching resources, self-made, with its intuitive and flexible, low cost and other advantages, in the teaching of information technology means today continues to play its irreplaceable role!

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