1.Wood rays of p. armand and p. prokoraiensis on tangential section both had two shapes that was uniserial wood ray and spindle wood ray.
华山松与前红松弦切面上的木射线均呈两种状态，即单列木射线和纺锤形木射线；
2.Wood rays of p. armand and p. prokoraiensis on tangential section both had two shapes that was uniserial wood ray and spindle wood ray.
华山松与前红松弦切面上的木射线均呈两种状态，即单列木射线和纺锤形木射线；
3.The results indicate that when the plastic strain is smaller than 39 5%, plastic deformation has typicality of uniserial slipping.
结果表明：单晶连铸铝线材在变形量小于395％时，其塑性变形具有明显的单系滑移特征，当变形量大于395％时，才出现多系滑移特征。