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黑龙江省是我国东北部周边地区,其通信网路处于全国长途通信骨干网路的末端,由于省会位置偏南,除哈尔滨外,全省广大地区的长途通信需要自行组网来进行。而在长途建设方面又存在诸多特殊困难,如全省地域辽阔;地形复杂,山地、丘陵占全省总面积的50%多;气候寒冷,年平均气温为摄氏-6至一4度。多年来,长途通信供需矛盾十分突出。为扭转这种局面,我们从“七五”时期开始有计
Heilongjiang Province is the surrounding area in the northeast of our country. Its communications network is at the end of the long-distance communications backbone network in the country. Since the provincial capital is located in the south, except for Harbin, long-distance communications in vast areas of the province need to be organized by themselves. In the long-distance construction there are many special difficulties, such as the vast territory of the province; complex terrain, mountains, hills account for more than 50% of the total area of the province; cold weather, the annual average temperature of -6 to -4 degrees Celsius. Over the years, the contradiction between supply and demand of long-distance communications is very prominent. In order to reverse this situation, we started from the “July-May” period