the main active material

基本解釋

Regional survey is main to collect and analyze the background material of the formation and active area of debris flow, then to distinguish the debris flow gullies.
區(qū)域調(diào)查主要對(duì)泥石流形成和活動(dòng)區(qū)域的背景資料進(jìn)行收集和分析，識(shí)別出泥石流溝；
The marine organisms have already become the main sources of new medicine, and the antitumor function of the marine active material is studied as one of the hotspots.
海洋生物已成為新藥的主要來(lái)源，海洋活性物質(zhì)的抗腫瘤作用研究是熱點(diǎn)之一。
As the main active ingredient of D. zingiberensis wright, diosgenin is the important raw material for the synthesis of steroid body hormone medicine and steroid body contraceptive medicine .
薯蕷皂甙元是合成苗體激素藥物和苗體避孕藥物的重要原料，是黃姜中的主要活性物質(zhì)。