I call this the plus direction, so for object number two m2a I have m2 g minus T equals m2 times a.

对于物体二，以向下为正方向,有m2g-T等于。

youdao

She derived another formula relating the number of folds possible in one direction (n) to the minimum possible length of material (l) and the material's thickness (t)

她推导出了另一个关于折叠次数（n）、现实的最小长度（l）以及材料厚度（t）的关系式。

youdao

T : What's the direction of their rotation?

这四位同学的转动方向是什么你们注意到了吗？

youdao

But I think we need to step back and acknowledge that we don't know what direction the hurricane -- or the tropical storm, if it becomes a hurricane, will take.

WHITEHOUSE: Press Briefing

So this looks like --I wouldn't say a major new direction, but it is something that is a major priority for you over the next number of years, is -- am I capturing it right?

WHITEHOUSE: President Obama at the APEC Business Summit

Regardless, if any of this is even remotely true (and not another Photoshop from someone's mother's basement), Apple is indeed taking its laptops in an Air direction, which isn't surprising -- but signs of these being the end-result of new manufacturing process?

ENGADGET: More pics of Apple's supposed new laptops surface