The key problem hasn't been solved yet, that is, the effectiveness of learning of the learners.

关键的问题没有解决，那就是，学习者的有效学习问题。

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The main question about high-tech education is whether it actually boosts the efficiency and the effectiveness of learning.

高科技教学的主要问题是她是否真实的提高了学习的效率和有效性。

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Research shows that the learning effectiveness of localized material is much higher than that of unlocalized material.

研究表明，使用具有地方色彩的教材的学习效果比没有地方色彩的要好得多。

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In order to enhance the effectiveness of the learning process, the course was designed with the intention of encouraging learners to identify with the characters on screen.

UNESCO: Country Profile: Uruguay

Is there evidence that we regularly monitor and assess the effectiveness of the state programmes on ICT-mediated teaching and learning?

UNESCO: EDUCATION

The company claims that its learning algorithms can be used to process data for a wide variety of applications, from predicting the effectiveness of sales promotions to fraud detection to molecular modeling to astronomy.

FORBES: Skytree Uses Machine Learning To Crunch Big Data