Recent images returned from phoenix are already revealing clues about subsurface ice on the red planet .

从“凤凰”号发回的最新图像已经揭示了这颗红色星球上有关地下冰的线索。

Lee discovered bacteria in subsurface sediment obtained from port botany , respired chloroform instead of oxygen .

李发现从博塔尼的地下沉积物中获得的细菌可以呼吸三氯甲烷而不呼吸氧气。

Nuclear explosions are generally classified as air bursts , surface bursts , subsurface bursts , or high altitude bursts .

核爆通常被划分为空中爆炸、地面爆炸、地下爆炸和高空爆炸。

These features are the best geologicevidence to date that europa may have had a subsurface ocean at sometime in its past .

此图中显示的特征是迄今为止最好的地质学证据，它证明了欧罗巴可能在过去很长时间里拥有一个地下海洋。

That makes installing subsurface cables 12 to 17 times as pricey as overhead lines , according to national grid ( they also need replacing sooner ) .

根据国家电网（他们也需要尽早更换输电线路）所说：这使得安装地下电缆比架空线路昂贵12到17倍。