Astronomical Vessel Position Determination Utilizing the Optical Super Wide Angle Lens Camera
Active control of highly efficient third-harmonic generation in ultrathin nonlinear metasurfaces
Active control of highly efficient third-harmonic generation in ultrathin nonlinear metasurfaces
Active control of highly efficient third-harmonic generation in ultrathin nonlinear metasurfaces
Two-stage parachute bay structure for ammunition parachute
Vibration absorbing mechanism for anchor gear support and operating method
Mechanical properties of near alpha titanium alloys for high-temperature applications - a review
Mechanism and method for implementing variable-section installation of base joint for tower crane
Automatic lifting type three-directional adjusting running tension platform
Test device capable of starting parachute to work in delayed manner after throwing