具有操作简单，安全可靠，药效持久，疗效显著，无刺 激作用。
The invention has simple operation, safety, reliability, lasting medicine effect, obvious curative effect and no irritation.
结论常用的药效学S型剂量效应曲线拟合的数学模型中，Hill系数无生理学含义。
CONCLUSION the Hill coefficient is considered not any physiological meanings in the mathematics model usually used in fitting pharmacodynamics s dose-effect curve.
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