Taking the abandoned delta of Huanghe River as a case, this paper analyzed the natural and artificial driving forces of ecosystem degeneration, with the degeneration course investigated.
本文以废黄河三角洲为例，分析了废黄河三角洲生态系统退化的自然和人为应力以及生态系统的退化过程。
Shell, which had started returning to facilities in the western delta abandoned amid fighting three years ago, wouldn't comment on whether recent tensions have affected its plans.
已经开始回到三年前在战争中被废弃的位于西三角洲地区的设施中的壳牌公司没有就目前的紧张局势是否会影响他的计划发表评论。
Another aspect to consider is the fate of an abandoned delta lobe after the sediment supply had moved elsewhere.
要考虑的另一方面是沉积物源被移到别处之后被抛弃的三角洲朵体的命运。
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