您要查找的是不是：
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- segmental perforation 分段射孔
- She cleaned a small segment of the painting. 她把画儿上的一小部分擦干净了。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
- The company dominates this segment of the market. 这家公司控制了这一部分市场。
- The length of any such line segment. 半距离这种线段的长度
- A perforation,as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- A perforation, as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- An ornament inserted into a perforation in the lip. 唇饰穿在唇上的孔里的一种饰物
- This prevents bowel perforation. 这样可以防止肠道穿孔。
- The acute Perforation has developed. 发生急性穿孔。
- A portion, piece, or segment that is representative of a whole. 样品，试样代表整体的一部分，一片或一段
- A mark or a perforation indicating canceling. 取消记号表示取削的标记或孔洞
- Either of two points marking the end of a line segment. 端点标记一条线段两端的两点中的任何一点
- The perforation in tectum is clear. 覆盖层不连续,有小穿孔。
- A large segment of the public against the new tax. 大部分公众反对新税法。
- The perfor mance indexes thereof are tested. 检测了该醇酸树脂的各项性能。
- Mesh sizes 16 and 32 are perforation cartridges. 网孔规格尺寸16和32是穿孔筒。
- No bleeding, perforation or septicemia occurred. 未发生出血、穿孔、败血症。
- The company controls this segment of the market. 这个公司控制了这部分市场。
