但由于勘探难度增大，使储量增长速度明显放慢，储采比快速下降，若无新的发现，将无法保证长期高产稳产。
Because the exploration difficulty increased, the reserve accreting velocity was obviously slowed down and there was a rapid drop in the reserve production ratio.
石油输出国组织能否长期保持高产，这个已经让石油观察人士困扰了一段时间的问题，可能明年就会见分晓。
The next year may also bring the answer to a question that has puzzled petrol watchers for some time.
实验利用高油品种东农47、高产品种黑农37、高蛋白品种东农42，通过生殖生长期的动态取样研究品质性状积累规律。
This experiment studied the dynamic accumulation of soybean quality trait with the high oil variety Dongnong47, the high yield variety Heinong37 and the high protein variety Dongnong42.
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