diameter at breast height

The correlation between the breast diameter height form factor η and the diameter height ratio δ with respect to the change in tree age t has been analyzed based on the data obtained from China fir forests.

基于杉木林分调查数据讨论了林分胸高形数η和径高比δ随林龄 t变化的相关性 。

By analyzing the route of breast level about fitted dress, the additional bust dart is researched and the revised block included the additional bust dart on breast level is put forward.

通过对贴体服装胸围线路径进行分析,确定了两乳点间胸高追加量,提出了含胸围宽度追加量的补正原型,并针对前中施胸省的贴体类服装结构设计进行了应用分析。