space unit的用法和樣例：
例句
- How strongly each scatters is determined by what is inside each unit cell.
各個散射的強度則由每個晶胞內有什么來決定。 - In one implementation the photodiodes within each unit cell are essentially identical photodiodes but with different exposure times.
在實行中，每單位晶胞內的光電二極體基本上為相同的光電二極體，但卻具有不同的曝光時間。
