该限制条件既可验证强度准则的可用性又有助于实验确定基本强度参数。
The constraint conditions can be used to identify the availability of the strength criterion and they are helpful to measure the basic strength parameters.
四种基本力(重力，电磁力，强作用力和弱作用力)都有一个理论把手，调节这东西可以改变力的强度。
Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob that can be turned up or down to change its strength.
纵向冲撞时，基本的止挡强度和冲撞能量的管理表现。
Basic end strength and crash energy management performance in longitudinal encounters.
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