Factor effecting injection quantity uniformity were briefly analyzed, and the undulation quantity and injecting pulse revising was put forth to meet the respective demand.

简要分析电控喷油器的均匀性影响因素，提出了压力波动量控制的办法和喷油脉宽修正的办法满足小喷油量均匀性要求。

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Applying the recursive least square method to background rebuild, revising the gain factor and bringing in much information forecast more perfect complex background.

研究了渐消记忆递归最小二乘法在背景建立中的应用，修正增益因子，引入更多的背景信息，对复杂背景进行更加完善的预测建立。

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Though the method of comparing pricing through market reflects many influence factors, but the situation revising, comparison of regional factors and specific factor etc has to be made.

虽然市场比较法是从多个影响因素入手，但是在应用这种方法时需要进行情况修正、地区因素与个别因素比较等，带有较强的主观性。

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