This natural effect has inspired the "geoengineering" idea that humans could arrest the progress of global warming by pumping a bunch of sulfur dioxide into the atmosphere.

这一自然现象促进了“地球工程学的兴起”，人们认为可以利用向大气层中注入大量二氧化硫的办法来防止全球变暖进程。

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Risks include hypotension, respiratory arrest, toxic drug reaction, and rare neurologic complications. An epidural has no significant effect on the progress of labor.

危险包括低血压，呼吸停止，药物中毒反应，和罕见的神经系统并发症。硬膜外麻醉对产程进展没有明显影响。

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Arrest effect of fly ash in ultra-high-volume on shrinkage of concrete at later age is more evident.

粉煤灰以超量方式掺入对混凝土的后期收缩抑制作用更加明显。

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According to the prosecutor, the officer said he had "done no more than was reasonable and necessary to effect the arrest of Mr Shaw and to prevent him committing further offences".

BBC: Leeds & West Yorkshire

National police commissioner Bheki Cele said Mr Wright had "admitted to harbouring and interviewing Mr Pavlos Joseph at a time when the police were searching for the latter in order to effect an arrest".

BBC: England World Cup fan pays 'intruder' fine

An Interpol warrant for his arrest remains in effect for 188 countries, the Associated Press news agency reports.

BBC: Polanski makes first appearance since house arrest ends