任何保持这些传统技术和方法的做法都是徒劳的。
The maintenance of the traditional technology and methods is futile.
这些技术方法都很成熟，也是传统使用的方法。
All these techniques are very mature, are traditional methods used.
为此，我们应实现多媒体技术与传统教学方法的最优化结合。
Therefore, the combination of multimedia technology with traditional teaching method should be optimized.
过去农民养鹅采用传统的方法，技术水平低，饲养管理粗放，经济效益不高。
Traditionally, the goose production was managed extensively and the economic benefits was very low.
过去农民养鹅采用传统的方法，技术水平低，饲养管理粗放，经济效益不高。
Traditionally, the goose production was managed extensively and the economic benefits was very low.
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