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Operators also hope to continuously improve radio performance. In addition to higher throughput, operators also hope to make improvements in other fields, such as higher sensitivity, increased cell coverage, improved anti-interference, and better connection quality. Combining multi-RAT and multi-band while continuously improving performance is a huge design challenge. However, since it is extremely difficult to propose improvements in these fields with existing solutions, wireless providers usually use solutions with lower integration.陈启离开屋子，很快就到了那个地方。张纪中版《西游记》以丰富瑰奇的想象描写了师徒四众在迢遥的西方途上和穷山恶水冒险斗争的历程，并将所经历的千难万险形象化为妖魔鬼怪所设置的八十一难，以动物幻化的有情的精怪生动地表现了无情的山川的险阻，并以降妖服怪歌赞了取经人排除艰难的战斗精神。Interpreter pattern, mediator pattern, visitor pattern, policy pattern, memo pattern, iterator pattern　　后来，莺莺听说张生病倒，让红娘去书房探望。张生相思　　顾菲偶然中发现丈夫的死亡真相，原来丈夫早知道自己身患绝症。他用残存的生命为心爱的妻子换回一笔钱，好让一家人有个安定的生活。顾菲震惊之于悲痛万分…在这部妙趣横生的科学剧集中，古怪生物和大自然母亲担任旁白，带你一窥地球上最不可思议的动物的生活。