中医免疫因子联合疗法:求求帮我翻译成英文

At present our country has so many cities

In a lot of large and medium cities in our country at present, because the high building is intensive and crowded and moving more numbers of users, utilize outdoor great district of base station cover with of development meeting a lot difficulties. The main existing problem is in covering indoors at present: Because of building shielding and absorption of oneself, cause radiowave loud transmission pad control, form move weak intensity of field district even blind area of signal; Capacity: Building such as large-scale shopping plaza, conference centre, because cellular telephone use the density to be too big, some network capacity can't meet the user's needs, the congested phenomenon takes place in the wireless channel; Quality: Building on the senior level space extremely apt to have wireless frequency interfere, serve district to be signal unstable, appear table tennis switch over effect, lead, pollute phenomenon frequently, speech quality difficult to guarantee, present the phenomenon. 好了.!!终于打完了.~~~