The most satisfactory installation is above ground and should be installed in this manner whenever possible.

如果可能的话，最好或者应该安装在地面上。

youdao

The Isfahan conversion plant, which produces uranium hexafluoride (UF6, the uranium compound that is passed as a gas into the centrifuges to be enriched), is above ground and vulnerable to attack.

伊斯法罕的铀转化设施，是生产六氟化铀(UF 6，一种铀化合物转化为气体，进入离心机进行浓缩)的装置，在地表以上易于攻击。

youdao

Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.

对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。

youdao

This is because oil well fires are extinguished,or put out, at the wellhead just above ground.

VOA: special.2009.03.22

Currently, it is stored above ground on sites around the UK, mostly at Sellafield.

BBC: Cumbria ruled out of current nuclear waste dump plans

It also remains a Cumbrian problem as 75% of it is stored above ground at Sellafield.

BBC: Is it all over for Cumbrian nuclear waste store plans?

If the aircraft is well above ground level, one has time to recover.

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