求翻译：第二个层次有效化学物质组的筛选和确认则是中药有效组分配伍，开发组分中药，并能做到基本明确药物组成和作用机理，这可能会成为当前和今后一段时期中药复方研究的重点。是什么意思？

The second level of the active chemical substance screening and confirmation of the group is the compatibility of effective components of Chinese medicine, the development component of traditional Chinese medicine, and can do basic drugs and a clear mechanism of action, which may be present and the

The first two levels of effective chemical material group screening and confirmed that the Chinese medicines are effective group distribution development group NG, Chinese medicine, and be able to do basic clear drug composition and so this may become the present and a future period the focus of the

Second level effective chemical substance group's screening and the confirmation is the Chinese native medicine effective component blends, the development component Chinese native medicine, and can achieve is clear about the medicine composition and the action mechanism basically, this will possibl

Second level screening and confirmation of effective chemicals group is a group of traditional Chinese medicine distribution NG, development components of traditional Chinese medicine, and can do basic clear drug composition and mechanism, which may be present and for some time in the future focus o

The second level of the active chemical substance screening and confirmation of the group is the compatibility of effective components of Chinese medicine, the development component of traditional Chinese medicine, and can do basic drugs and a clear mechanism of action, which may be present and the