名詞 look-up:

1. an operation that determines whether one or more of a set of items has a specified property
   同義詞：search, lookup

動詞 look-up:

1. seek information from
   同義詞：consult, refer, look up

look-up

n.Computer Science （名詞）【計算機科學(xué)】
A procedure in which a table of values stored in a computer is searched until a specified value is found.
查表：將計算機內(nèi)儲存的數(shù)值表查找一遍直至找到某個值的過程