If we have not trained our muscles to fire at a certain rate for an extended period time, they will tire quickly.
如果我们没有训练我们的肌肉在较长的时间段里按一定频率工作，他们将很快疲劳。
2
High recognition correct rate and confidence level are needed in the autocar tire number recognition system, so the recognition method is studied.
汽车胎号识别系统要求胎号识别方法具有极高的识别正确率和置信度。
3
The wear classifications are presented based on the principle of Tribology, which provide the fundamental knowledge for correctly predicting tire wear rate at normal service conditions.