“prn”的译意是 A. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 隔日1次 B. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 长期备用必要时 C. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 临时备用需要时 D. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 每晚1次 E. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 临睡前