graphic overlay meaning in English

图形叠加
重迭字幕
重叠字幕

Standard test method for determining the effects of chemical solvent exposure to a membrane switch graphic overlay spot test method
测定化学溶剂对薄膜开关图形重叠影响的标准试验方法
Abstract : for the vision of locomotive simulator , a method using imageprocessing and graphic overlay to simulate weather changes is proposed
文摘:对于用实景录制的机车驾驶仿真器的视景，该文提出了用图象处理加图形叠加的方法来模拟视景中天气状况的改变。