The self-image of P. E teacher affects his or her working quality. The good image of the teacher is the first step into teaching.

体育教师的自身形象关系到其工作质量的优劣，良好的形象是进入工作角色的第一步。

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So handling the relation of each edition clearly, pointing out the quality of each edition that in plot and person image depicting, it is the foundation before we studying the drama DOU E YUAN.

理清各版本之间的关系，指出各版本之于剧情人物形象刻画的优劣，实为全面研究和评价《窦娥冤》的基础。

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However, there are still some challenging tasks further lucubrated in fingerprint recognition field, e. g. image acquisition, preprocessing of low quality images, and so on.

但是在指纹识别领域，仍然存在一些值得深入研究的问题，例如指纹图像的采集技术，低质量指纹图像的预处理等。

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The Olympus PEN E-PL5 and PEN E-PM2 deliver amazing image quality by packing superior image technology, blazing fast processing speed and total creative control in classic bodies that combine the portability and ease of use of a point-and-shoot without the complexity of a DSLR.

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)