An artificial pacemaker works by restoring the function of a faulty sinoatrial node, the heart's natural pacemaker.

人工心率调整器的作用是使紊乱的心脏天然心率调整器窦房结恢复正常功能。

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This means that the cellulose works very well in contact with the blood and is a very interesting alternative for artificial blood vessels.

这就是说，纤维素与血液关系很融洽，是人造血管很好的替代品，这是很有趣的。

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Sobel explained the device works even if a patient has been given artificial respiration because it functions regardless of air pressure source.

Sobel解释说该设备甚至可以在病人使用呼吸机时使用，因为它的功能不受气压的限制。

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For the most part, this risky, seemingly clumsy artificial device works.

FORBES: Fact and Comment

One episode followed Royal Commission photographer Iain Wright as he works at night with artificial lighting to try to recover any fragments of the eroded inscription on the pillar.

BBC: 9th Century Pillar of Eliseg

Many students of climate change argue that, although the artificial release of greenhouse gases such as carbon dioxide works to raise the global temperature, particulate pollution should, by promoting cloud cover and thus reflecting solar energy back into space, have a compensating cooling effect.

ECONOMIST: Weather and pollution