枯竭層 的英文怎麼說
中文拼音 [kūjiécéng]
枯竭層
英文
depleted formation-
Because almost all the ore in the surface of ground and in the shallow stratum has been found, the increase of resources should be concentrated on deep stratum and outer of the mine enterprise. but only depended on the normal geological methods and regulations, the effect is not good. so we must introduce new geological theories and methods
由於地表礦、淺層礦都已枯竭,增儲的重點應集中在礦山深部和外圍找礦上;僅僅依靠常規地質方法和手段,很難取得理想的效果,因此必須引入新的地質理論和新的找礦方法。But it is running out of water, with farmers driving wells deeper and deeper into the underlying aquifer [ 3 ]
但是那裡水資源正日趨枯竭,農民的井越挖越深,已經到了地下蓄水層。Experts warn that the northern hemisphere faces equally disastrous ozone depletion
專家們提出警告:北半球的臭氧層也同樣面臨枯竭的問題。As aquifers are depleted and irrigation wells go dry, farmers either revert to low - yield dryland farming or, in the more arid regions, abandon farming altogether
隨著蓄水層的枯竭和灌溉井的乾涸,農民不得不改種低產的旱地作物,在更為乾旱的地區,他們乾脆放棄耕作。This comes at a time when world grain stocks are at their lowest level in 30 years and when u. s. farmers are losing irrigation water to aquifer depletion and to cities
這種大規模的采購適逢世界糧食儲備正處於30年來的最低水平,以及美國的農民由於蓄水層枯竭和城市用水正在失去他們的灌溉用水。分享友人