求翻译：中药药物动力学对于了解中药的作用机制，指导临床合理用药、优选用药方案、指导剂型改进和新药研究设计的重要性日趋引起重视。是什么意思？

Pharmacokinetics of traditional Chinese medicine for understanding the mechanism of action of Chinese herbal medicine, guiding clinical rational drug use, optimization of regimen, guide the dosage form design increasingly pay attention to the importance of improved and new drug research.