aggregate expression

基本解釋

Monetary expression of the aggregate of products or service;
產(chǎn)品或勞務(wù)的貨幣總值；
Start by generating the query using the first aggregation function (SUM in the example) in the measure's list of aggregations to aggregate the template expression.
先使用度量的聚合列表中的第一個聚合函數(shù)（在這個示例中是 SUM）對表達(dá)式模板進(jìn)行聚合，產(chǎn)生一個查詢。
When you move to a cell in this column and select an aggregate function to apply to the associated data column, by default the resulting expression is added as an output column for the result set.
當(dāng)移動到該列的一個單元格中，并選擇一個聚合函數(shù)應(yīng)用到關(guān)聯(lián)的數(shù)據(jù)列時，在默認(rèn)情況下得到的表達(dá)式將作為結(jié)果集的輸出列而添加進(jìn)來。

Second, she analysed the expression signatures—that is, the aggregate measure of all the emotions—to see whether they gave her enough information to match blind and seeing family members.
ECONOMIST: Facial characteristics