除此之外，敏捷教练应该介绍一下自己的背景和目标。
In addition the coach should explain their own background and their goal (s).
在阈值分割中，通过子图像动态阈值分离背景和目标。
The background and the target are divided in dynamic threshold module.
第五章概括了调研的背景和目标，数据收集、分析和研究过程；
Chapter five summarized the background and goal of investigation and research, data collection, analysis and research course;
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