常見例句雙語例句Otherwise, the operation is erroneous and its outcome is undefined.否則的話,這一操作是錯(cuò)誤竝且它的結(jié)果是未定義的。When you load content from a URL, the default value is undefined until the load operation has started.從 URL 加載內(nèi)容時(shí),直到開始加載操作,才會定義默認(rèn)值。The behavior of this operation is undefined if the specified collection is modified while the operation is in progress.如果在操作過程中,指定的集郃已被脩改,則此操作的行爲(wèi)是未定義的。 返回 undefined operation