herbal preparations短语¹⁴⁴⁹⁷²⁺² 基本例句 中草药制剂 The HPLC is convenient to operate with high effectiveness, sensitivity and accuracy, so it is very suitable for the analysis of Chinese herbal preparations that have complex component and low content. 现代高效液相色谱 HPLC技术具有高效、准确、灵敏度高、操作方便等优点，非常适合活性成分复杂、含量低的中草药研究。 cnki