从铌酸锂和钽酸锂晶体的结晶学数据出发，分析其结构特征和组成化学键的结合情况。

Starting from the crystallographic data of lithium niobate and lithium tantalate crystals, structural characteristics and chemical bonding behaviors of both crystals are studied.

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本文从技术和市场的角度概述了KBA公司的最新技术结晶，无水、无墨键、无齿轮的环保型报纸印刷机——CORTINA。

The author makes a summary of the latest technicology, the waterless, key less, gearless environmental news press, CORTINA of KBA Company according to aspects of technology and market.

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