这是这一类无线能量传输第一次在活体动物身上的成功操作。

It is the first time this kind of wireless energy transfer has been demonstrated in a living animal.

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研究设计：研究目的是在活体观察直腿抬高过程中神经根功能的变化。

Study Design. This study is aimed to investigate the changes of nerve root functions during the straight leg raising (SLR) test in vivo.

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隐性HBV群在活体中有复制能力，表现隐性与宿主的自身情况有关，而不是与病毒因素有关。

Occult HBV strains are replication-competent in vitro, suggesting that host, rather than viral factors are responsible for cryptic HBV infection.

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