If there is a space on workbench, you can put the instrument on the ground to operate.

假如工作台上没有空间，你能够将仪器放在地面上操作。

youdao

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

Directly on the ground while Pata had a sense of fragmentation, I do not know how this instrument match.

直接落在地上则啪嗒有碎裂之感，不知应用何种乐器比拟。

youdao

Using filters on the rover's Mast camera (Mastcam) and an instrument which shoots neutrons into the ground to probe for hydrogen, researchers have detected more hydrated minerals near the clay-bearing rock than at locations Curiosity visited earlier in its mission.

BBC: Curiosity breaks rock to reveal dazzling white interior

This pending move back to planetary science from earth sub-orbit comes on the heels of improvements in pointing systems and instrument technologies that will allow ground-based controllers to fine-tune balloon payloads to include one-meter class optical and infrared telescopes.

FORBES: Budgets Nudge NASA Toward Balloon-Based Planetary Science: First Target? Comet ISON