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.
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。
The emphasis of this project is to present threshold value of blasting vibration strength to ensure structure and apparatus of nuclear power station safe.
本项目重点在于提出确保核电站结构及设施安全的爆破振动强度的阈值。
The emphasis of this project is to present threshold value of blasting vibration strength to ensure structure and apparatus of nuclear power station safe.
本项目重点在于提出确保核电站结构及设施安全的爆破振动强度的阈值。
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