单点 dāndiǎn to order à la carte Definitions Defs Origin Strokes Stroke Words Sentences Sents 单点故障 dāndiǎngùzhàng single point of failure A part of a system that, if it fails, will stop the entire system from working.单点登录 dāndiǎndēnglù single sign-on single sign-on (SSO); a method allowing a user to log in once to access multiple related but independent software systems