Our model is tested by means of ane - mail survey involving 104 business customers.

本模型以104家企业客户的 电子邮件 调查方式做验证.

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The researchers conducted a population - based cross - sectional mail survey of gynecological cancer survivors in 2004.

研究者们在2004年以邮寄信件的方式针对妇科癌症患者开展了一项基于人群的横断面调查.

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