# preexist ##### 词义 - #词性/vi 先前存在 - #词性/vt 先于……存在 ##### 例句 - The effects of relative compression height and preexist strain on strengthening efficiency are studied . - 研究了加固后截面相对受压区高度以及恒载初应变对外贴FRP加固RC、PC受弯构件加固效率的影响。 - But the thought is always prior to the fact ; all the facts of history preexist in the mind as laws . - 但思想始终先于事实而存在，所有的历史事实都以法则的方式预先存在于心灵中。 - Often , the target is created when the consolidation pattern is first applied so that no access controls preexist and possibly need to be defined . - 通常在首次应用整合模式时创建目标，这样不存在任何访问控制，所以可能需要对其进行定义。