This Underwater Photography For Beginners Guide will provide practical advice in getting started in underwater photography.

本指南将给你在水下摄影初步阶段最实用的建议。

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The paper described the relational parameters and vibration test of the underwater blasting of guide ditch ahead of water conveyance tunnel.

本文对导流隧洞进口围堰堰外引渠水下爆破方案的有关参数和震动监测等进行描述。

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So start your journey with the DivePhotoGuide beginner's guide to underwater photography.

因此，现在就开始你水下摄影初学者指南的旅程。

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It has also launched a new website, including a children's page, and published a guide for underwater archaeology.

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They coauthored a book last year, Putting Our House in Order: A Guide to Social Security and Health Care Reform, that details policy solutions for America's underwater entitlement programs.

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