词汇	x.509
释义	x.509 X.509通信协定
随便看	substitution standard substitution statement substitution status substitution strategy substitution string substitution suppression substitution swap substitution table substitution technique substitution technology substitution test substitution theorem substitution theory substitution therapy substitution transfusion substitution transition substitution treatment substitution-type substitution urethroplasty substitution utilized substitution value substitution variable substitution vector substitution vegetation substitution vein