用所获得的特征值进行SVM模式识别，得到不同熔滴过渡的电弧声能很好地进行分类和辨识，实现了基于电弧声对熔滴过渡类型进行快速识别。
SVM pattern recognition with the feature value can classify arc sound in different metal transfer mode and realize fast recognizing metal transfer mode by arc sound.
中低声区打开咽喉是唱好高音的基础，解决换声点的过渡可用“反向思维”；
Opening throat in mid - low voice range is the basis of singing better in high voice range.
本文中分析了非过渡金属非晶态超导体的超导参量、声子谱参量与霍耳系数之间的经验关系。
In this work, the empirical dependances of superconducting parameters and phonon spectrum parameters on the Hall Coefficient, and the problem on the Tc in amorphous non-transition metals are studied.
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