Whenever possible "Freephone" or similar facilities should be provided so that Respondents can check the Researcher's bona fides without cost to themselves.
无论何时,尽可能提供"免
电
"或类似的设备,让被访者应免查
研究人员的真实性.
总付电,免电Whenever possible "Freephone" or similar facilities should be provided so that Respondents can check the Researcher's bona fides without cost to themselves.
无论何时,尽可能提供"免电"或类似的设备,让被访者应免查研究人员的真实性.
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亦不代表本软件的观点；若发现问题，欢迎向我们指正。
