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Based on the theoretic analysis of the accuracy in large scale photogrammetric mapping, some defects in traditional procedure were discussed. A set of key technologies dedicate to accuracy improvement...
This paper introduces the outline of key technology that is under development for the Advanced Land Observing Satellite (ALOS). Overview of mission objectives, sensors, and satellite system is also pr...
In recent years, the increasing development of cloud computing technologies laid critical foundation for efficiently solving complicated geographic issues. However, it is still difficult to realize ...
The south line of Jinan Qingdao highway (which is short of Ji-Qing south line) spans 281km, whose geomorphy is mainly composed by mountain lands and hills. Approximately, it runs from east to west and...
The demand for increased bandwidth is ever present. This paper reviews the attributes of coherent systems in light of the challenges faced by system designers to realize 100 Gb/s optical transmission ...
To provide scientific management basis for the garden planning, project construction, maintenance, social service, this paper prompted that the urban gardening administration sectors need to construct...
The software-based computer numerical control(CNC) system includes three types of tasks, periodic real-time tasks, aperiodic real-time tasks, and non-real-time tasks. The tasks are characterized by co...
This article reviews the properties and characterization of an intelligent thermoresponsive surface, which is a key technology for cell sheet-based tissue engineering. Intelligent thermoresponsive sur...
With the development of mobile devices and digitalization of information, the GIS system will be more popular than before. For the variable of mobile devices and different system structure, the design...
In order to consolidate and exchange research achievements, further enhance scientific and technological innovation of horticulture, to realize theoretical breakthrough and technological leapfrogging ...
为实现在线混药式变量喷雾技术,设计了药、水独立存放混药装置,差压式流量计,流量控制阀,以及相应的控制系统。应用该系统对药、水分别进行流量计量和对药流量控制,达到变量喷雾的目标。试验结果表明,流量计误差在±2.0%以内,药流量控制误差在±3.0%以内。
05 Feb 2007,Siemens Power Generation (PG) has recently been awarded a major contract to supply key equipment for a new coal-fired power station in West Virginia. By using the most advanced technologie...

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