图7：构建状态随时间变化的趋势。
柱形图通常用于显示一段时间内数据的发展趋势。
Column charts are commonly used for data that shows trends over time.
实现了对指定时间段内的连续测试数据进行分析的功能，绘制出了各技术指标随时间变化的趋势图。
The function dealing with continuous measurement data during a fixed time range is realized and trends of the output data are obtained.
通过绘制注射用胶原酶对三种亚型胶原蛋白的水解作用随时间的变化趋势图，来判定注射用胶原酶对何种亚型的胶原蛋白水解率最高。
Methods Through drawing time-changing trend diagram of collagenase solution hydrolysis to three types collagen, to judge which one type collagen hydrolytic rate is the highest by collagenase solution.
通过故障趋势预报图，能够准确地预测出风机当前以及将来一段时间的工作状态。
Throught predicting chart of fault trend of fans, the working state of fans can be forecasted accurately at present and in the short run.
通过故障趋势预报图，能够准确地预测出风机当前以及将来一段时间的工作状态。
Throught predicting chart of fault trend of fans, the working state of fans can be forecasted accurately at present and in the short run.
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