In Part 3 of this series, you worked hard to apply the principles of progressive enhancement and achieve a modern, attractive, and highly usable Ajax interface.

在本系列的第3部分中，学习了如何应用渐进式改进原理实现现代的便于使用的ajax界面。

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This enables what I like to dub progressive programming, which enables a level of quality checking during coding — it's hard to get much earlier!

这就促成了我称为渐进编程的编程方式，在这种方式下，允许在编码过程中进行一定程度的质量检验——再也不能比这个更早了！

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Because of the high precession and complicated construction requirements, the multi-stationed progressive die is hard to process with the traditional serial development besides a long production term.

多工位级进模精度要求高，结构复杂，传统的串行开发存在着制造难度大、生产周期长的缺点。

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The verdict is likely to prove an embarrassment for Qatar which has worked hard to cultivate a progressive, modern image, and is currently playing host to a major international climate change conference.

BBC: Qatari poet appeals over life prison sentence

Attempts are afoot to re-invent boarding as a progressive, child-friendly option for the hard-pressed modern family.

ECONOMIST: Education: The snowman goeth | The

Progressive says its device measures how often you brake hard, how many miles you drive each day and how often you drive between midnight and 4 a.m.

FORBES: Drivers Accept Monitoring Devices, To Earn Discounts on Auto Insurance