Do you suppose it is beyond us to produce a dual system of astronomy?

难道你以为我们不能创造一种双重的天文学体系 吗 ?

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For their similar structure and performance , a dual system is possible.

最后给出了双模结构的可能性.

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Dual system funded by private and public sectors.

双重体制是由个人与公众共同资助的.

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But the dual system is under pressure.

但是,双元制也受到了压力.

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