An integrated optical chip for fiber optical gyroscope(FOG) is designed and fabricated on GaAs.To achieve a high modulat......

Aiming at the large deformation and support problems of high-stress and broken-expansion surrounding rock, and taking 1 ......

"三个代表"思想具有坚实的马克思主义哲学基础:它以历史发展的合规律性为根本前提,充分尊重历史规律的客观性,顺应历史发展的需要,......