Study on the effect of gathering and scale economy;
从集聚效应和外部规模经济进行的研究；
The satellite antenna scan drive institution is a core component of the whole satellite system, which has an effect upon the attitude of satellite and gathering data.
卫星天线扫描驱动机构是整个卫星系统的核心部件，对卫星的运行姿态和数据的采集起着至关重要的作用。
Power-equipment is major energy -consuming facility of oil-gas gathering and delivering system. Its efficiency has a vital effect on the comprehensive efficiency of the whole system.
动力设备是集输系统的主要能耗设备，其运行效率对集输系统综合效率有至关重要的影响。
To capitalize on the cultural effect of city squares, due attention must be paid to its multi-functions: for display, adjustment and gathering.
发挥城市广场的文化效应，必须重视其文化的展示功能、调节功能和凝聚功能。
Conclusion The immunization coverage rates of vaccines was low for floating children in migrant population gathering area, and comprehensive measures should be put into effect.
结论流动人口聚集地区流动儿童免疫规划疫苗接种率低于本地常住儿童，需加强综合管理措施。
The art wall, situated in the middle of group buildings, owns a unique shape of "horn mouth" that generates wind gathering effect.
艺术墙位于建筑群体中央，其独特的喇叭口造型产生聚风效应。
The art wall, situated in the middle of group buildings, owns a unique shape of "horn mouth" that generates wind gathering effect.
艺术墙位于建筑群体中央，其独特的喇叭口造型产生聚风效应。
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