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他说，在经过11月底及12月初的回调后，食品价格已经出现反弹。
We have already seen food prices rebound after their initial fall in late November and early December.
通过联合仿真与结果分析得出：（1）在升柱和初撑阶段，当泵站调定压力恒定时，增加泵站的流量可显著缩短升柱时间。
Through the analysis of the co-simulation results: (1) During the raising leg stage and early raising leg stage, when the pump pressure constants, increasing the flow can short the time of rising leg.
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