Terms for subject United Nations containing log

English	Chinese
antennas. log periodic — directional high power	对数周期-定向高功率天线
infantry battalion: strength 850, 3 rifle companies, 1 mechanized company and headquarters and log company	步兵营850名士兵，3个步兵连＋1个机械化连＋指挥部＋后勤连。