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precursors的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 precursor:
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a substance from which another substance is formed (especially by a metabolic reaction)
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a person who goes before or announces the coming of another
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something that precedes and indicates the approach of something or someone
precursors的用法和樣例：
例句
- Rare earth luminescence materials of alkaline earth stannates have also been prepared via thermal decomposition of hydroxo stannate precursors.
利用某些新型帶羥基的鹼土錫酸鹽作為前驅體，固相反應合成摻稀土的錫酸鹽發光材料。 - The two cyclopentadienyl groups in metallocence compexes can be linked by one or two bridging groups to form ansa-metallocence catalyst precursors.
摘要茂金屬化合物中兩個茂環可以通過一個或兩個橋基相連接，形成各種橋聯茂金屬催化劑前驅體。
