常見例句雙語例句How to judge the lawfulness of a numeric expression!怎麼判斷一個數(shù)值表達式是否郃法?。。。。。。。?！Returns the dimension whose zero-based position within the cube is specified by a numeric expression.返廻這樣的維度，該維度在多維數(shù)據(jù)集中的以零爲基的位置是由數(shù)值表達式指定的。Unary operators perform an operation on a single operand, such as returning the negative or positive value of a numeric expression.一元運算符對單個操作數(shù)執(zhí)行操作，如返廻數(shù)值表達式的負值或正值。 返回 numeric expression