提出了一种新颖的图像预处理方案。

A novel image preprocessing scheme was proposed.

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本研究探索了酸法及氨法预处理方案。

This research explores the pretreatment program by acid and ammonia methods.

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介绍了该楼爆破方案选择及预处理方案，给出了爆破参数及爆破效果。

This article introduces the choice of blasting plan and pre-treatment plan, presents the explosion parameters and the explosion effect.

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