Some problems still exist in the establishment of the therapeutic standards with traditional Chinese medicine.
中医在诊疗标准的制定方面仍然存在许多缺陷。
The studies of hydrocarbon expulsion of source rock have made a great progress, but some problems still exist currently.
目前烃源岩排烃研究已取得了很大进展,但也存在着较多的问题。
However, some problems still exist such as the poor imported technological level, value - adding ratio and spreading effect.
然而尚存在引进技术水平不高、增值率低和波及效应差等问题。
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