有没有完全不能精简并精确模拟的重要的自然系统？

Are there important natural systems which simply cannot be reduced and modeled accurately?

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为精确模拟该结构的应力状况，该文提出一种三维高阶快速多极边界元法。

The stress fields of such structure around the opening were predicted using a three-dimensional, higher-order fast multipole boundary element method.

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我们在瑞典做了两次寒冷气候测试，不过那没办法精确模拟南极的极端气候。

We ran a couple of cold-weather tests in Sweden, but there's no way to accurately model the extremities of the South Pole.

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This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.

如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。

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