In the field of speech emotion recognition, the emotion features of different emotional utterances are commonly extracted at same segment length level.
语音情感识别领域提取情感特征时，普遍采用“不同情感类别，相同时长基准”的做法，忽略了人耳敏感的韵律段长会依情感不同而有所差异的现象。
All manufacturers have been increasing the number of features and the quality of their cameras over the past couple of years or so and the entry-level segment is characterized by fierce competition.
在过去的几年中，所有制作商都不断地提升入门级产品的功能和质量，以适应日益竞争剧烈的市场。
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