本文以他的声乐作品为研究对象，从和弦结构、和声进行、调式调性等侧面来分析、研究其和声技法与风格特点。
The article is based on his vocals, analysing and researching their harmonic technique and style from the aspects of the chord structure, the harmonic progression, the mode and tonality etc.
结论：以牙槽孔至颧下嵴起始部的弧长和弦长为标准弯制注射针头，采用口内注射法进行上牙槽后神经阻滞麻醉，成功率为98％。
Conclusion: We use L as arch length and H as chord length to bend syringe needle that is used to posterior superior alveolar nerve block anesthesia by intraoral injection. The success rate is 98%.
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