An improvement on the method is made by using concentrated water sample in order to increase the concentration of trace elements in the samples.
该文对这一方法进行了改进，采用浓缩水样以提高待测元素的含量，并加入二氯化钙作为释放剂来消除硅的干扰。
For the disadvantage of tracking the soft failure of the residual test based on Kalman filter, this paper makes an improvement on the method by using the state propagator.
针对基于卡尔曼滤波器的残差检验法会跟踪软故障的局限性，提出了一种基于状态递推器的改进方法。
Using conservative percentages for productivity improvement based on the use-case method of capturing functional requirements, we estimate a 14% increase in productivity.
使用基于用例来俘获功能需求改进生产力百分比的保守估计，我们估计能够得到14%的生产力改进。
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