look-up table set的用法和樣例：
例句
- In most quantum mechanics textbooks, the determination of coupling vectors of multiple angular momentums was usually by looking up tables because of its complex calculation.
摘要量子力學(xué)教材中對于多個(gè)角動(dòng)量耦合基矢的確定，由于其計算上復雜，往往通過(guò)查表得到。 - Digital look-up table method for synthesizing periodic signals is the most popular technique for direct digital frequency synthesis.
數字查表法合成周期信號是一種最常用的直接數字頻率合成技術(shù)。
