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).
过渡区是实际图象中介于目标和背景之间的特殊区域。
Transition region is a special region located between the object and background in real images.
本文首先介绍了系统开发的背景和总体目标。
This article first introduces the system development background and the general goals.
第一部分概述研究背景以及意义和目标；
The first part outlines research background, and meaning and purpose.
第一部分概述研究背景以及意义和目标；
The first part outlines research background, and meaning and purpose.
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