It begins with a photon of light that produces the energy necessary to release an electron down the carrier chain.

它一开始就光子产生的光的能量要释放一个电子下跌承运人链。

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Objectives: To study the changes of ventricular myosin light chain (VMLC) gene transcription in rheumatic heart disease (RHD).

目的：研究风湿性心脏病(风心病)心衰时心室肌中肌球蛋白轻链(VMLC)的变化。

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Recent studies have indicated the existence of dynein heavy chain and light chain in higher plants, but no data about dynein intermediate chain in higher plants have been reported.

近来的研究表明在高等植物细胞中存在细胞质力蛋白的重链和轻链，但力蛋白中间链在高等植物细胞中还未见报道。

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They look like a chain-link fence made of light.

NEWYORKER: Getting Closer

They came to light through the chain of command in Iraq on January 13.

CENTERFORSECURITYPOLICY: Get a grip

And he said something else here that was intriguing: he said he regretted returning to cycling in 2009, suggesting it had possibly set into motion the chain of events that led him to his professional humiliation, a lifetime ban from competition and the hot light of this hotel suite.

WSJ: Lance Armstrong Begins His End��Jason Gay