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某些化妆品必须作多次皮肤刺激试验。该试验分直观观察和病理检查两部分，但我们注意到许多化妆品在试验中期曾出现较强的刺激反应，但试验结果较预期为小，病理检查的结果与前期试验相比更不理想。本文尝试用拟合曲线方程对直观观察的日反应分值（观察值）的变化趋势进行...
Some cosmetics must undergo multiple skin irritation tests. The experiment was divided into two parts: visual observation and pathological examination. However, we noticed that many cosmetic products had strong stimuli in the mid-test period, but the test results were smaller than expected. The results of pathological examination were less than ideal compared with previous tests. This article attempts to use the fitting curve equation to perform a visual observation of the trend of the daily response scores (observed values)...