现在的油价急升紧随前两年的同幅急跌，那时跌幅过半，实值降到自1973年石油危机前算起的最低水平。
The sharp rise in oil prices follows an equally sharp collapse over the previous two years, when prices fell by more than half to their lowest level in real terms since before the 1973 shock.
黏土矿物组合以及伊利石结晶度在东部高原隆升与消亡前后，发生了比较明显的变化，这从另一方面反映了东部高原的存在。
The clay mineral assemblage and IC obviously varied before and after the uplift of the Eastern Plateau which suggested the existence of the plateau.
另外，根据科学研究表明1千克石油完全氧化需要消耗40万升海水中的溶解氧，即1公斤石油完全氧化约需要400吨海水中溶解氧。
It is indicate from science research that one kilogram of oil oxidated complete needs all the oxygen that dissolve in the 400 thousand liters of sea water.
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