complex background TEF/TCF常用TEF/TCF专四

复杂的背景 newcomplex background的英文翻译是什么意思，词典释义与在线翻译：参考翻译复杂的背景

Face orientation in a complex background is a focus and difficulty in image research area.Face orientation in a complex background is a focus and difficulty in image research area.

复杂背景下的人脸定位是图像研究领域中的难点和热点。

Research on pre-processing method of metal fatigue striation in complex backgroundResearch on pre-processing method of metal fatigue striation in complex background

复杂背景下疲劳条带图像预处理方法研究