With the social competition and environmental awareness intensified, environmental management is becoming especially important.
随着社会竞争以及环境意识的加强，环境管理显得尤为重要。
Therefore, the convenient and swift safety monitoring and searching system with accurate positioning capability is becoming especially important when mine accidents happen.
在矿山的日常作业以及矿难发生抢救遇难人员时，方便，快捷，定位精确的安全监控及搜救系统就显得尤为重要。
Therefore, the convenient and swift safety monitoring and searching system with accurate positioning capability is becoming especially important when mine accidents happen.
在矿山的日常作业以及矿难发生抢救遇难人员时，方便，快捷，定位精确的安全监控及搜救系统就显得尤为重要。
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