Ease of learning.

易于学习。

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HTML's ease of learning and the view source capability for browsers has bootstrapped the Web's popularity in an amazing way.

html易学易用，再加上浏览器的查看源代码功能，引发了Web令人瞠目结舌的迅速普及。

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These include usability requirements that address human factors (such as ease of learning and use) and reliability requirements, among others.

这些非功能需求包括关注人的因素的可用性需求(比如学习和使用的舒适性)和可靠性需求等等。

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Olympia Circuits is best known for its Arno board and Arno Shield, which are designed to ease the Arduino learning curve by providing a bevy of pre-wired sensors and controls along with detailed instructions for several DIY projects.

ENGADGET

Reynolds and Shaywitz (2009) provides quite a scathing critique of RtI, particularly in saying there is not a lot of evidence to match the enthusiasm for RtI in terms of research support for RtI, ease of implementation, breadth of applications in the schools, and the ability of the RtI model to benefit children with learning disabilities.

FORBES: There Are No Silver-Bullets in Education Reform