physical exercising intervention
...体育锻炼干预；农村留守老人；珠三角 [gap=1284]Key words: sports psychology；mental health；physical exercising intervention；the home-alone elderly in rural areas；the Pearl River Delta region ..
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physical exercising intervention
体育锻炼干预
以上为机器翻译结果，长、整句建议使用 人工翻译 。