updates补充资料, 更新材料updatev.更新；升级n.更新Updates checksum with specified byte.用指定的字节更新校验和。Update and maintain Diagnostic process.更新和维护诊断程序。Update and optimize machine configuration改进优化设备Update cycle of transportation information交通信息更新周期Update the church directory periodically.定期修订教会名录。Updates information for pull subscriptions.更新请求订阅信息。Update your anti-virus software regularly.定期升级你的杀毒软件。