numeric expression

基本解釋

How to judge the lawfulness of a numeric expression!
怎么判斷一個(gè)數(shù)值表達(dá)式是否合法！?。。。。。。?！
Returns the dimension whose zero-based position within the cube is specified by a numeric expression.
返回這樣的維度，該維度在多維數(shù)據(jù)集中的以零為基的位置是由數(shù)值表達(dá)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(yùn)算符對(duì)單個(gè)操作數(shù)執(zhí)行操作，如返回?cái)?shù)值表達(dá)式的負(fù)值或正值。