论文部分内容阅读
据日本报纸报道,日本神奈川县工业研究所,最近研制出一种小型西瓜质量判定器。它能根据西瓜声音传播的情况,以零点一秒的速
According to Japanese newspaper reports, Japan Kanagawa Prefecture Institute of Industry, recently developed a small watermelon quality adjuster. It can according to the spread of watermelon sound situation, with a speed of zero one second