the gradual disappearance of an initial (usually unstressed) vowel or syllable as in `squire'' for `esquire''
例句与用法
1.
Video compression plays an important role on digit moving picture processing , since it affects the picture ' s quality , comprcssing rate and visual degree in video sequence . adopting the same aphesis on the different objects , this approach which has employed by mpeg - 2 standard has led to a blur image of key objects , especially for those of the human faces 视频压缩是数字视频处理的关键技术，其决定了图像的质量、压缩率和对象的可分辨性，但是目前的mpeg压缩算法将不同图像对象以相同的方式处理使视频图像中的关键对象信息无法清晰表达。
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