上空

Between August and September 1958, the US Navy exploded three fission type nuclear bombs 480 km above the South Atlantic Ocean, in the part of the lower Van Allen Belt closest to the earth's surface.

1958年8、9月间，美国海军在距离地球表面最近的低层范爱伦带的一部分南大西洋上空480公里处爆炸了3枚裂变式原子弹。

Both celestial bands stand above the domes and towers of the Teide Observatory on the island of Tenerife.

两道光带都位于泰德峰天文台圆顶和高塔上空，该天文台位于西班牙特内里费岛上。

Every August for the past 20 years or so, the ozone layer over the South Pole, that shields us from the sun's ultraviolet or UV rays has been thinning out, creating a so-called hole.

凯兰 近20年来每逢8月，南极上空保护人们不受太阳紫外线伤害的臭氧层就开始变薄，产生一个&空洞&。

Imagine: a 48-year-old man flying solo, without an airplane, 7,500 feet above the earth.

试想：一个48岁的男子飞行独唱，没有一架飞机，七千五英尺地球上空。

This includes a amazing antecedents of Socotra cormorants, estimated to be 200,000-strong, which awning the sea like a all-inclusive rain-cloud if they yield off.

这包括一个非常壮观的索克特拉鸬鹚群落，估计有 20 万只以上，当它起飞时，就像一大片乌云一样覆盖在海面上空。

After the Schweinfurt debacle it became clear that the Fortress could not, in fact, defend itself, that escort aircraft would be required.

施韦因福特上空遭惨败后，情况已经很清楚了：&飞行堡垒&实际上不能自卫，必须有飞机护航。

The clashes left smoke from burning cars and the sting of tear gas drifting through the harborfront area in the north German port of Rostock. Some 146 police were hurt, 18 of them seriously.

此次冲突使德国北部海港城市罗斯托克的上空弥漫着汽车燃烧的浓烟和崔泪瓦斯造成的令人刺痛的气体。146民警察受伤，其中18名受伤情况严重。

Strong westerlies, at times, have been observed near the tropopause over Recife, Brasil, approximately 9o from the equator.

强大的西风气流有时曾在离赤道大约 9 个纬度的巴西 Recife 上空的对流层顶附近观测到过。

An aerial view of Melbourne, capital of Victoria, over St Patrick's Cathedral, the Houses of Parliament and the city to Port Phillip Bay.

从圣帕特里克大教堂上空向国会大厦和菲利普湾港鸟瞰维多利亚州首府墨尔本。

Take heart. We in the northern half of the globe have a less renowned, but a larger Northern Cross asterism our skies.

振作一下，虽然我们住的北半球上空的北十字并不那么出名，但北十字星群阵容却十分你可观。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。