例如，通过随机折叠，核糖核酸酶(一种小型蛋白质)的氨基酸链能形成超过1040种不同的结构，单这一种蛋白质就需要数亿年的时间来探索。
For example, by random folding, the amino-acid chain of the enzyme ribonuclease, a small protein, could adopt more than 1040 different shapes, which would take billions of years to explore.
折叠式日光灯：复式灯管或者折叠式单头针座灯管，包括环形灯管。
Compact Fluorescent Lamp: Multitube or multibend single-ended pin-based lamps, including circline lamps.
结果先天性上斜肌麻痹单侧12例、双侧6例行上斜肌折叠手术，均联合下斜肌减弱术。
Results 1. Tucking group: the all 18 patients with congenital superior oblique paralysis(12 unilateral & 6 bilateral) combined with recession of inferior oblique muscle.
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