provides an explanation for the origin of mass（）
A. Higgs mechanism
B. Yang-Mills gauge theory
C. The general theory of relativity
D. The special theory of relativity
The key technologies of TBMs include（）
A. Cutting efficiency without instability
B. Power transfer without unbalance
C. Sensing control without misalignment
D. Shape design without high cost
proves that space can be curved by mass（）
A. The general theory of relativity
B. The special theory of relativity
C. Yang-Mills gauge theory
D. Non-conservation of parity
The key technologies for shale gas extraction include（）
Anisotropic physical mechanics properties of shales
B. Fracture dynamics and fracking control of shales
C. Strain sensitivity and multiscale mechanism of gaspenetration
D. Interaction between drill and shale gas
微信支付 
支付宝支付