The empirical research shows that the C-V model with negativearea parameter can segment some images that the original C-V model is not applicable to.
实验研究表明：面积项系数取负值时，C - V模型能够分割某些原来不适用的图像。
2
This paper makes experimental study of stress character of reinforced concrete beam's oblique section in negativearea strengthened with U-jackets carbon fiber reinforced polymer (CFRP).
研究了外部U形粘贴碳纤维布加固钢筋混凝土梁负弯矩区段斜截面的受力特性。
3
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.