The effect of WOB to pressure drop of small geometry PDM is bigger than to large geometry PDM.
小尺寸螺杆压降受钻压影响比大尺寸螺杆大；
The final piece of the small Web application that I want to describe is the frame that shows non-spatial attributes whenever you move the mouse over a particular geometry.
对于这个小型的 Web 应用程序，我要谈到的最后一部分是用于显示非空间属性的一个框架，每当将鼠标移到一个特定的几何图形上时，该框架就显示它的非空间属性。
Thus in geometry you are told to conceive the circumference of a circle as formed of an infinite number of infinitely small straight lines.
譬如，在几何学里我们必须假定，一个圆周的圈线是由无限多喝无限小的直线形成的。
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