thirty-one

thirty-one cultural default examples are selected from wolf totem, and through detailed analysis, this thesis points out the merits and demerits of five strategies of handling cultural default.

本文从《狼图腾》中选取了31个文化缺省的例子，通过例证分析了五种处理文化缺省的策略的优缺点。

Methods Thirty-one patients with 32 intra-articular calcaneal fractures, were treated with open reduction and internal fixation through a small lateral incision approach from October 2004 to April 2006.The skin incision was made from the distal tip of the fibula to the base of the fourth metatarsal.

方法2004年10月～2006年4月采用腓骨尖至第4跖骨基底的外侧小切口显露、复位后空心螺钉内固定治疗31例（32侧）关节面移位的跟骨骨折患者。

Thirty-one excellent individuals were preliminary selected, the average genetic gain for height and diameter at breast height were 26.60% and 40.37% respectively.

优良个体的树高和胸径的平均遗传增益分别高达26.60%和40.37%，选择效果非常明显。