Abstract: This application discloses an electronic vaporization device, including: a first storage unit, configured to store a first liquid; a second storage unit, configured to store a second liquid; a vaporization unit, configured to vaporize the liquid to produce an aerosol for a user to inhale; a first liquid delivery channel, which is fluidly communicated with the first storage unit and the vaporization unit to accordingly deliver the first liquid to the vaporization unit a second liquid delivery channel, which is fluidly communicated with the second storage unit and the vaporization unit to accordingly deliver the second liquid to the vaporization unit where the first liquid delivery channel and the second liquid delivery channel are configured to deliver the corresponding liquid to the vaporization unit at different times. This application can increase the liquid storage amount of the electronic vaporization device through the first storage unit and the second storage unit.

Abstract: A frequency measurement system and method of a radio frequency (RF) signal. The frequency measurement system includes: a magnetic field source module, a light source module, an excitation module, a complementary metal-oxide-semiconductor (CMOS) camera, and a signal processing module; the excitation module is disposed in the magnetic field; the excitation module is disposed on an output light path of the light source module; the CMOS camera is disposed on an output light path of the excitation module; and the CMOS camera is connected to the signal processing module; the light source module is configured to emit a laser; the CMOS camera is configured to capture an excitation image when the laser enters the excitation module to which a to-be-tested RF signal is applied; and the signal processing module is configured to determine a frequency of the to-be-tested RF signal according to the excitation image.

Abstract: A frequency measurement system and method of a radio frequency (RF) signal. The frequency measurement system includes: a magnetic field source module, a light source module, an excitation module, a complementary metal-oxide-semiconductor (CMOS) camera, and a signal processing module; the excitation module is disposed in the magnetic field; the excitation module is disposed on an output light path of the light source module; the CMOS camera is disposed on an output light path of the excitation module; and the CMOS camera is connected to the signal processing module; the light source module is configured to emit a laser; the CMOS camera is configured to capture an excitation image when the laser enters the excitation module to which a to-be-tested RF signal is applied; and the signal processing module is configured to determine a frequency of the to-be-tested RF signal according to the excitation image.