早先中世纪地牢的石头地面下都有暗门。
我们盯着地面，好象要挖掘出埋葬在水泥地面下的足迹。
We stared together at the ground as if to trace the footprint buried under the cement.
地面下击器解卡时产生震击力的大小与多种因素有关。
The strength of bumping force of a surface bumper jar in the course of releasing stuck tool hinges on various factors.
但是随之逐渐增长的地面下的压力可以引起偶然性的大变动的爆发。
But the gradual build-up of underground pressure can lead to occasional bursts of cataclysmic activity.
其他科学家提出，电荷导入地面下，会在地面上产生发光的离子气团。
Other scientists have suggested that charges dissipating through the ground can create balls of glowing ionised gas above it.
用小包裹包装的肉团米饭通过管道送到地面下700米的矿工手中。
Meat balls with rice were sent in small parcels 700 metres down a pipe to the miners.
冬天来临，有些动物在树干、树桩、洞穴中，和地面下，准备温暖的窝。
As winter approaches, some animals make warm beds in tree trunks, stumps, caves, and under the ground.
这种导电现象是否足以把电荷导入地面下，这种放电现象是否能够形成天空中的某种电浆球？
Was that enough to put charge into the ground, and then with the discharge form some kind of plasma ball above?
这样储液箱就既可以安装在地面上也可以安装在地面下，而且不用设置溢入口。
This reservoir can be installed both boxes on the ground can also be installed under the ground, and do not set up over the entrance.
本推进装置可在不破坏道路、建筑物的情况下，将管道直接从地面下顶推穿过。
The propelling device can directly push the pipeline to pass through the ground surface under the condition of no destruction on roads or buildings.
事实上，我们听说有的家庭和在安全屋的幸存者的故事，无论是地面上还是地面下。
In fact, we've already heard of families and stories of survival of people who were in safe rooms, either above ground, or below ground.
1920年，当开始打地基时，在中世纪时的地面下两米处发现一根圆柱，还有壮丽的马赛克残片。
As we have said, work on the foundations had already begun when, in 1920, a column was found two metres beneath the medieval floor, together with fragments of a magnificent Mosaic.
纽黑文——美国“登山者”发电厂外面的两个大烟囱附近有两口井伸出地面，看上去好象是用来提取提取地面下的天然气。
NEW HAVEN, W.Va. — Poking out of the ground near the smokestacks of the Mountaineer power plant here are two wells that look much like those that draw natural gas to the surface.
有时，它把蛋隐匿在冰冷的地面下以应对未来运气不好的日子。在这种艰苦的环境中，保持生存意味着要像狐狸一样聪明。
Some, he stashes in the cold ground for the lean days ahead. In this harsh environment, staying alive means being as clever as a fox.
有时，它把蛋隐匿在冰冷的地面下以应对未来运气不好的日子。在这种艰苦的环境中，保持生存意味着要像狐狸一样聪明。
Some, he stashes in the cold ground for the lean days ahead. In this harsh environment, staying alive means being as clever as a fox.
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