error sources的用法和樣例：
例句
- Firstly with microcosmic and macroscopic method, the error source in gear cutting is analysed.
摘要首先以微觀(guān)與宏觀(guān)相結合的方法，分析了齒輪加工中的誤差源。 - Measurement error from the photoelectric theodolite is the main error in the ballistic trajectory measurement.
光電經(jīng)緯儀測量元素誤差是外彈道測量中最主要的誤差源。
