Nowadays, digital migration is regarded as one of the feasible strategies for digital information long-term conservation.

目前，就各种数字资源长期保存策略来说，数字迁移被认为是具有可行性的策略之一。

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First, discuss the reasons and types of digital migration.

首先，讨论了数字迁移的原因和类型。

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For the digital migration program of time section, it is required not only the better results but also the high speed of calculation, or its application will surely be restricted.

地震时间剖面的数字偏移程序不但要有较好的偏移效果，还要求运算速度快，否则其应用要受到限制。

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That Google is pulling for existing old media operations to survive the digital migration is not newsworthy.

FORBES: Why Publishers Need to Stop Worrying and Learn to Love Google

Neighbouring Tanzania went ahead with its digital migration on 31 December, the first to do so of the five members of the East African Community, which had agreed to an early switchover to fix any glitches ahead of the June 2015 global deadline to end analogue transmissions.

BBC: Kenyan digital TV switchover: Post-election date urged

One opportunity that will present itself in many countries is the migration from analogue to digital television, which will reduce the bandwidth needed for traditional free-to-air broadcasters.

ECONOMIST: Spectrum policy