目的：探讨直接交流式教学法在提高老年护理学临床教学中的效果。

Objectives:To explore the efficacy of direct-communication teaching model in clinical teaching of geriatric nursing.

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教学艺术的持续则是双向的、情感与价值交流式持续，教学的整个过程是两个主体间的对话、交流、相互提升与实现的过程。

The continuance of the teaching art is a two-way exchange of emotion and value, the whole process of teaching is the dialogue, exchanges, upgrading and implementation of the two subjects.

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目前国内外对磁轴承的研究多为直流式磁轴承，而直流开关功率放大器相对于交流逆变器来说其体积大、功耗大及成本高。

Because of the emphases research of magnetic bearing at home and abroad is DC active magnetic bearings (AMBs) at present, and the cost of DC power amplifiers is much higher than ac power converters.

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