The first step toward understanding neural nets is to abstract from the biological neuron, and to focus on its character as a threshold logic unit (TLU).
理解神经网络的第一步是从对抽象生物神经开始，并把重点放在 阈值逻辑单元（TLU）这一特征上。
2
The traditional method, in which a single threshold value(unit price) has been used to determine the transportation mode of corresponding cargo, lacks necessary support from practice.
用单一的临界值来决定不同类商品在国际贸易中运输模式的选择缺乏实践的支持。
3
The load reacting unit (9) preferably comprises a fluid pressure unit and the indicator (60) comprises a mechanical indicator that operates at a predetermined pressure threshold.