Overview Beginners should master one language before exploring complex frameworks or multiple languages.Writing clean, ...

The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on., ...

Over speed is one of the most important and non-negligible factors caused accidents., 影响安全的因素很多，其中超速是一个不容忽视的重要因素。