机制研究将有助于确定石榴中的活性成分及其直接作用模式。
Mechanistic studies would help identify the active ingredients in the pomegranate and their direct mode of action.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
海洋科学家研究海洋的化学成分、气候模式、海底地貌以及许多其他领域。
Ocean scientists study the chemical make-up of the ocean, weather patterns, the geography of the ocean floor, and many other areas.
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