目的：探讨左半结肠癌致肠梗阻的一期手术治疗的可行性途径。
Objective: To probe the methods for one-stage operation in senile colonic obstruction caused by left colonic cancer.
在这些冲到前方的国家中，人们担心的是并不是所有国家都仅仅是为了寻找保卫领土的可行性途径。
Of those that press ahead, the worry is that not all will be looking merely for alternative ways to keep the lights on.
目的探讨骨质疏松性骨折愈合困难的原因，为临床治疗骨质疏松性骨折探索新的可行性途径和方法。
Objective to study the cause of healing difficulty in osteoporotic fracture, and to explore feasible approach and method for clinical treatment of osteoporotic fracture.
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