As an beneficial and essential supplement to the normal experiment, virtual experiment not only saved a lot of education fee, but also extend the experiment on time and space effectively.
虚拟实验作为传统实验的一个必要的有益补充，既能节约大量的教育经费，也使实验在时间和空间上得到有效的延伸。
The conventional representation of location information is hard to understand for human in location-aware computing, but the natural language is a beneficial supplement.
讨论位置感知计算中定位信息表达存在的不足，引入自然语言描述作为补充。
The conventional representation of location information is hard to understand for human in location-aware computing, but the natural language is a beneficial supplement.
讨论位置感知计算中定位信息表达存在的不足，引入自然语言描述作为补充。
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