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。
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