multi-level average的用法和樣例：
例句
- The average at every time point of the fluctuant components separated by this method is zero.
運用這種方法，可以使分離出來(lái)的波動(dòng)分量在每個(gè)時(shí)間點(diǎn)上的均值都為零。 - The plates lay a skinpass dieblock, at least to measure the thickness of the three places and calculates the average value.
不兵印版陡不收在一個(gè)裂縫臺面上，起碼丈量不一處的厚量并籌算陡均值。
