Pointing refers to the requirement to point the satellite (or an instrument on the satellite) toward some ground object.

指向的意思是要求卫星(或卫星上的设备)朝向一些地面目标。

youdao

It is a good idea to have a ground object, such as the house in the moonset photo, to show a contrast in the composition.

在月落照片中能包括地面物体，比如房屋，的话，可以使得构图具有对比性。

youdao

The principle and realization method of ground object matching of AA gun fire limitation control technology were studied.

研究了地物匹配式高炮禁射控制技术的原理和实现方法。

youdao

That'll say the velocity of the object with respect to the ground, the velocity of the object with respect to the plane, the velocity of the plane with respect to the ground.

可以得到物体相对于地面的速度,物体相对于平面的速度,物体相对于地面的速度

耶鲁公开课 - 基础物理课程节选

When you have a velocity in the moving plane frame and you want to find the velocity on the ground, you should add to every object in the plane the velocity of the plane with respect to the ground.

当你在运动的飞机上运动,然后你想找到相对于地面的速度,你就应该给每个物体加上,飞机相对于地面的速度

耶鲁公开课 - 基础物理课程节选

I think it's clear, the position of the object with respect to the ground, this vector is the same as the position of the object with respect to the plane, plus the position of the plane with respect to the ground.

我觉得很明显,物体相对于地面的位置,这个矢量等于,物体相对于平面的位置矢量,加上物体相对于地面的位置矢量

耶鲁公开课 - 基础物理课程节选

There were no reports Monday that any fragments of the object had reached the ground or caused any damage.

WSJ: Meteor Creates a Show, No Apparent Damage

This argument has, however, failed to persuade most legislators or market practitioners, who object to insider trading on the ground that it might deter outside investors.

ECONOMIST: But don��t worry, economists are trying to make it smarter

Bradley's group, Palm Solutions, accounts for most of Palm's revenue but manages only 29 cents in gross profit on the sales dollar. (The software group, PalmSource, gets 91 cents on the dollar.) PalmSource gleefully licenses its fabled operating system to the likes of Sony and Kyocera, which then use it as a blunt object to beat Bradley's hardware group into the ground.

FORBES: Handhelds across America