And so the G-20 meeting, where leaders representing 80 percent of the world economy will be present, is an extraordinary opportunity for Obama precisely to show the U.S.leadership that he has been talking about,".

VOA: standard.2009.03.31

For example, we know that if a body is near the surface of the Earth, the force of gravity of that object seems to be m times g, where g is 9.8.

例如,我们知道,如果在地球表面有一个物体,该物体受到的重力大小为 m 与 g 的乘积,g 等于 9.8

耶鲁公开课 - 基础物理课程节选

The force, as this weight drops is constant, mgh and so the work is just going to be m g h, h where this is h.

当重物掉落时候的力是恒定的，因此做功就是，这段长度是。

麻省理工公开课 - 热力学与动力学课程节选

Nowhere did the zeal for a winner work to Bush's advantage as in California, a state where the G.

CNN: Who chose George?

Vegetation edge: place where the vegetation (e.g. grasses, vines) meets the bare sand area of the back beach.

UNESCO: L O S S A R Y

This is where 802.11a (or g) will come into its own.

FORBES: Wireless's New Hot Spot