On the basis of analyzing and discussing the structural theory of Three-Ring gear reducer, this dissertation gave a new scheme of planetary gear reducer with few teeth difference.
Hair from the breast cancer patients produced the same features "with the only difference being the superimposition of a new feature." This was a distinctive low-intensity ring.
从乳腺癌病人获得的头发产生同样的特征——唯一不同的是附有一个新的特征。这是一个显著的低强度环。
3
Results The marginal seating of the casting without ring investment had significant difference compared with the castings with ring investment ( P< 0.05).