These women may improve their status in relation to men but at the same time may experience no improvement in their economic standing.

这些妇女可能提高她们相对于男子的地位，但与此同时，她们的经济地位可能没有改善。

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The decoder determines the optimum conversion ratio to improve the efficiency of system from the relation between the input and output voltage.

首先采用译码器对输入和输出电压进行判比，确定最优的转换系数，提高了系统的效率。

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There, however, are still some problems to be tackled to improve its hydrodynamic performances and promote its practical use, such as the relation between the configuration and its resistance.

然而，为改进其水动力学性能和促进其实用化，尚有一些问题需要解决，例如有关三体船构型与阻力性能的关系。

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