backup是什么意思 - backup中文意思和解释

backup基本解释

n,支持；[计]后援；阻塞,同近

There is no emergency back-up immediately available..没有立即就能获得的后备。

支持；后援；阻塞英释中释nBackup consists of extra equipment, resources, or people that you can get help or support from if necessary

backup and recovery,备份与恢复.短语