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Greece is a beautiful nation with a coastline of some 15,000 km and more than 3,000 islands scattered in Aegean Sea and the Mediterranean.

希腊是一个美丽的国家，海岸线长约1.5万公里，3000多个岛屿星罗棋布于爱琴海和地中海中。

But in recent years, aeolian desertification has slowed down due to the efforts of the governments and the local people, about 1,280 km^2 annually on the decrease.

但最近几年来，经过政府和当地人民的共同努力，沙漠化有明显逆转的趋势，大约每年以128平方公里的速度在减少。

Among them, 54047 sq km high-resolution satellite images, aerial photography 28325 square kilometers.

其中，高分辨率卫星影像54047平方千米、航空摄影28325平方千米。

All AMDB features must be located within 20 km of the Aerodrome Reference Point.

所有的可用性管理数据库的使用，必须设在机场参考点20km 以内。

The key problem of the transmitted station is to find the suitable artificial seismic source: powerful, green and clear sources. With the development of airgun technique and information theory, it is possible now to obtain the image of a 100 000 km2 in spatial coverage and 40 km in depth by use of the transmitted seismic stations.

建立地震发射台的核心问题是选择合适的人工震源，近年来出现的绿色环保震源，以及现代信息处理技术的发展，使得建立照亮10万km2地区地下结构的地震发射台已经完全是可能的。

The airgun signal was detected all along the line of the largest offset equal to 185 km, seismic phases Pg, Pc, P2, PmP and Pn have been picked successfully, based on which 1-D forward modeling of deep crustal structure has been conducted and the low-velocity layer of crust-mantle transition zone has been discussed.

在185km长的测线上均记录到了气枪信号，成功检测到Pg，Pc，P2，PmP和Pn等多组震相，并在此基础上对地下深地壳结构进行了一维速度结构正演，讨论了该区域壳幔过渡带的低速结构。

A 4000+ km long "West to East Gas Pipeline" linking Shanghai and all the cities along the line to the gas fields in the Tarim basin.

一条逾4000公里长的"西气东输"天然气管道。这条管道连接了塔里木盆地与上海及其沿线各主要城市。

The lines of pine-trees whose width reached from 6 to 40 km stretched along many hundred kilometres through the Altai steppes.

松树的行树，其宽度从100多公里的沿拉伸通过阿勒泰草原的6至40公里到达。

It is computed with nearly 1.8 million terrestrial, ship, and altimetry gravity data, and is modeled on a 2' x 2' grid (about 3 km resolution).

这是近180万计算、船、altimetry重力数据，是仿照2×2的网格(约3公里处的分辨率)。

The Amazon in South America (6,400 km).

亚马逊在南美洲（ 6，400公里）。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。