They had developed several alternative systems, they told me, including one that used a rotating mirror and a high-speed projector.

他们告诉我，他们还造出了好几种替代系统，包括展出的那个具有旋转的玻璃球和高速放映机的完成品。

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But the International Monetary Fund has concerns about alternative trading systems.

但是，国际货币基金组织对替代交易系统存在一些担忧。

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Thus, the inherent scalability will be superior to systems subjected to alternative analysis methods.

因此，其固有的可伸缩性将优于经受其他分析方法的系统。

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Democracy may have its faults but alternative systems have proved no more fiscally prudent.

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It will look at possible alternative systems for GCSEs and A levels, including whether there should be one provider instead of allowing schools to choose between competing exam boards such as WJEC.

BBC: WJEC examiner Paul Barnes treated unfairly, MPs told

The other assumption is that traditional energy systems are unlikely to adapt to the demand s of a changing climate and that alternative energy systems will win out.

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