PER Performance Evaluation Report 性能鉴定报告 PERS Personal Emergency Response System 个人危急应答系统 PES Photo-electric Scanner 光电扫描器 ..
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personal emergency response system
个人应急响应系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Get a device (personal emergency response system) your parent can use to call for help if needed.
FORBES: Mom! Look Out, Don't Fall!
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