近年来，研究性学习已经成为教育技术界乃至整个教育界研究的热点问题。
In recent years, research-based learning has become a focus in the circle of education technology, even the whole circle of education.
同时，运动目标的检测、识别和自动跟踪问题具有很高的学术价值和理论研究意义，已经成为近年来国际上研究的热点问题之一。
Meanwhile, detection, identification and tracking for moving target have the high academic value and research significance as one of hotest issues in recent years.
同时，运动目标的检测、识别和自动跟踪问题具有很高的学术价值和理论研究意义，已经成为近年来国际上研究的热点问题之一。
Meanwhile, detection, identification and tracking for moving target have the high academic value and research significance as one of hotest issues in recent years.
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