Effective research and surveillance programmes are needed to detect types, frequency and clinical Settings of such events.

需要有效的研究和监测规划以查明这类事件的类型、发生频率和临床环境。

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To determine the frequency and nature of childhood injuries and to explore the risk factors for such injuries in low-income countries by using emergency department (ED) surveillance data.

利用急诊室的监测数据确定低收入国家儿童受伤的频率和性质，并探讨造成此类伤害的风险因素。

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For example, both the EAS(Electronic Article Surveillance) system and the RFID(Radio Frequency Identification) system need high effective the short-range radio communication antenna.

例如，许多电子安检设备，如EAS（商品防窃检测）、RFID（射频识别）读写设备等，都要应用高效的近场通信天线。

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Products include respirators, surveillance equipment, radio frequency identification equipment, insulation, weatherproofing materials, cleaning products, mats, and granules for asphalt shingles.

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