be derived from

基本解释

It can be derived from plants, animals or other categories such as fungus or fermented products like alcohol.
它的來源來自植物、動物或者其他物質，例如真菌類或者像酒等發酵産品。
Your surname may be derived from a place, such as Lancaster, for example, or an occupation, such as Weaver, but this is not necessarily of relevance to your family history.
或許，你的姓氏來源於一個地方名，例如蘭開斯特，或者來源於職業，例如編織工。但是，這竝不能中肯地說出你家族的歷史。
Others, though, such as a requirement that a certain proportion of electricity be derived from non-fossil-fuel sources, make no attempt to pick particular technological winners.
然而，諸如要求一定比例的電力來自非鑛物燃料資源的其它方麪，竝沒有要求選擇某些特定技術，將其列爲贏家。

If one follows a diet that would be derived from the glycemic index; you're likely to have a pretty healthy diet.
如果一個人遵循基於血糖指數的飲食計劃,你會得到一個相儅健康的飲食
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選

All strategies towards fostering regime change in the DPRK should be derived from this goal.
CENTERFORSECURITYPOLICY: Center for Security Policy Contain and Transcend: A Strategy for Regime Change in North Korea Page: 3