Abstract: A method and system for adjusting height and damping force, the method comprising: between a first connection part (110) and a second connection part (120), arranging a pneumatic valve (130), an air spring (140), an adjustable damper (150) and a damping force adjustment device (160) used for adjusting the damping force of an adjustable damper (150), the positions of the pneumatic valve (130), the air spring (140), the adjustable damper (150) and the damping force adjustment device (160) being adaptive and the pneumatic valve (130) being connected to the damping force adjustment device (160) and the air spring (140), respectively; the pneumatic valve (130) collects at least one movement variable of the first connection part (110) relative to the second connection part (120); meanwhile, the pneumatic valve (130), according to the collected movement variable and/or the change in the movement variable, controlling the air spring (140) to inflate or deflate so as to implement height adjustment; and/or carrying out

Abstract: An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.

Abstract: Communication systems and methods support communication between multiple devices. In some embodiments, a method initiates a communication session between a first device and a second device via a server. The method identifies a first user associated with the first device and identifies a second user associated with the second device. An interaction history between the first user and the second user is accessed from the server and communicated to the first device for display on the first device.

Abstract: Communication systems and methods support communication between multiple devices. In some embodiments, a method initiates a communication session between a first device and a second device via a server. The method identifies a first user associated with the first device and identifies a second user associated with the second device. An interaction history between the first user and the second user is accessed from the server and communicated to the first device for display on the first device.

Abstract: Communication systems and methods support communication between multiple devices. In some embodiments, a method initiates a communication session between a first device and a second device via a server. The method identifies a first user associated with the first device and identifies a second user associated with the second device. An interaction history between the first user and the second user is accessed from the server and communicated to the first device for display on the first device.