
箕头下侧皮纹来自中的3组不同走向的嵴纹汇聚的区域 。
- 中文名 三叉点
- 外文名 tri-radius
- 别 称 三角洲
- 定 义 箕头下侧3组不同走向嵴纹汇聚区
简介
三叉点( tri-radius),又称三角洲(Delta), is the point at the nearest center of the divergence of the ridge, it is where these three ridge 介根国盾fields meet tha河于权球次t form the delta. The delta plays an important role in determining where a loop ridge c来自ount is to begin.