One of the great things about not using a slide presentation is that you do not have to hide behind a lectern pressing the mouse.
不使用PPT的另一个好处就是你不用一直待在讲台上，不停地按着鼠标。
The zoom region can automatically follow the mouse activity, creating a zoom and pan presentation in a few easy steps.
缩放区域自动跟随鼠标的活动，创建一个变焦和摇摄，仅仅只用几个简单的步骤。
Objective To study the capability of antigen presentation by mouse thymic stromal cells.
目的研究胸腺基质细胞的抗原提呈能力。
Show your presentation on a big screen using your phone as a wireless mouse and keyboard.
显示您的一个大作为无线鼠标和键盘，您的手机屏幕演示。
Use the right and left arrow keys or left-mouse click to walk through the presentation.
使用左右箭头键或滑鼠左键阅览资料。
Use the right and left arrow keys or left-mouse click to walk through the presentation.
使用左右箭头键或滑鼠左键阅览资料。
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