Analysis showed that such factors as the hydrological geology, investment and costs, technology and human resources are the main restricted factors.
分析认为水文地质因素、资金成本因素、环境安全因素、技术因素、人才因素是主要制约因素。
The main restricted factors to it are the poor connectivity and interoperability among various subsystems, including equipments and software and hardware systems in intelligent building.
现在主要制约因素是智能建筑中各个集成子系统之间互联性和互操作性差，这些系统包括设备及软硬件系统。
The main factors that restricted students to sports exercise were short of sports ground and equipments.
影响同学参加体育锻炼的主要因素是体育运动场地和器材的缺少；
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