Some of it was even thought to have no function at all, the equivalent of cellular junk.

而对于一些RNA，人们甚至还认为它们没有任何功能，就像细胞的无用物一样。

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This had all the electrical properties that antennas need to function, but was much more flexible than its copper equivalent.

这种合金拥有一根天线所需的所有电学属性，而且比铜制天线更有韧性。

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All-optical filters with all positive coefficients can only function as low-pass filters or equivalent band-pass filters by traditional approach.

传统的全光微波滤波器大多是正系数，只能实现低通或等效带通。

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