In general, only with a good understanding of the structure of the macromolecularcomplexes at atomic resolution level, can its function be better understood.
一般情况下，只有知道生物大分子的原子水平结构才能更好地了解其功能。
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Electron microscopy is an important tool in structural biology and can be used to elucidating the structures of macromolecularcomplexes and assemblies, subcellular organelles and cells.