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sigmoid是一个英语单词，主要用作名词，意思是“（数学中的）sigmoid函数；弯曲的”。读音为：英 [ˈsɪɡmɔɪd] 美 [ˈsɪɡmɔɪd]。
例句：
1. Sigmoid curves are used to model the relationship between input and output. 使用S型曲线来模拟输入和输出之间的关系。
2. The sigmoid function is a mathematical function that has been used in many fields of science and engineering. S型函数是一个数学函数，它在科学和工程领域的许多领域中都有应用。
3. The data was transformed using a sigmoid function to ensure that the results were expressed on a common scale. 数据通过S型函数进行了转换，以确保结果在共同的尺度上表达。
4. The sigmoid curve is often used to model the transition from no activity to maximum activity. S型曲线通常用于描述从无活动到最大活动的转变过程。
5. The sigmoid function is a smooth curve that varies between zero and one. S型函数是一个平滑曲线，变化范围在零和一之间。
6. This algorithm was originally designed to work with a sigmoid function that approximated the behavior of a biological neural network. 该算法最初设计时与近似生物神经网络行为的S型函数一起工作。
7. This transformation ensures that the resulting signal follows a sigmoid curve with a particular shape and amplitude. 这种变换能够确保所得到信号按照特定形状和幅度的S型曲线。
8. To mimic human cognition, researchers often use a sigmoid function as an approximation for human thinking patterns. 为了模拟人类认知，研究者常常使用S型函数来近似人类的思考模式。
9. However, these devices only function over a certain range, often within a sigmoid curve, where the signal changes from weak to strong. 然而，这些设备仅在一定范围内工作，通常在S型曲线上信号从弱到强的范围内。
10. In practice, we use sigmoid functions to approximate probability distributions that have peaks at zero and one. 实际上，我们使用S型函数来近似零和一之间峰值分布的概率分布。
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