1 Table of Contents: “... characteristics of gradient bar based on dynamic equivalent medium inverse problem solving theoretical model...”

2 Table of Contents: “... -- Axis Mismatches Between Pairs of Sensitive Elements of Underwater Acoustic Velocity Gradient Sensors...”

3 Table of Contents: “... Elastic Dielectrics with Polarization Gradient -- Surface Waves in a Semiconductor with Relaxation...”

4 Table of Contents: “... by conical points -- 21 Effects of temperature gradient on the propagation of an acoustic solitary wave...”

5 Table of Contents: “... of Environmental Gradients -- B.3 Energy Conservation and Symmetry of the Mode Coupling Coefficients -- B.4...”

6 Table of Contents: “... -- The Advantages of Space-based Transmitters -- The Transit Navigation Satellites -- Gravity Gradient Stabilization...”