graceful degradation
[计] 故障弱化, 功能降低
graceful degration
[电] 故障弱化
graceful exit
[计] 从容退出
graceful recovery
[计] 降级恢复
gracefulless
a. 不优美的,无礼貌的
gracefully
adv. 优雅地；温文地
gracefulness
n. 温文, 优雅；优美
