sputtering source的用法和樣例：
例句
- Due to the small size of most sources, placing the symbol directly on the source might not be feasible.
由於大多數射源的尺寸都很小，不易直接將本輔助警示標誌貼在射源上。 - The symbol shall be closely associated with the device housing the source, as a warning not to dismantle the device or get any closer to the source.
本輔助警示標誌應與裝置中射源的外罩緊密組合，以做為不得任意拆除裝置或不得更接近射源的一種警告措施。
