Abstract: The present invention discloses a golf practice net. Said golf practice net comprises a support rod and a support frame. The support frame includes a mounting base, some first links, some second links, and a net. In the first unfolded state, the first links and the net are relatively unfolded, and the net forms a hitting plane for hitting a golf ball. In the second unfolded state, the net is bent. In the stowed state, the first links, the second links, and the net are folded together outside the support rod. The technical solution of the golf practice net of the present invention can enhance practicability.

Abstract: A display panel and a terminal. The display panel includes a liquid crystal array matrix cell, a backlight module, a light guide column, and an electrochromic module. A through hole is formed in the backlight module, and the through hole is used for accommodating the light guide column. The liquid crystal array matrix cell is located on a first side of the backlight module, the electrochromic module is located on a second side of the backlight module, and the first side of the backlight module and the second side of the backlight module are opposite sides.

Abstract: The present disclosure discloses an uninterruptible power supply and a capacity expansion method for an uninterruptible power supply. The uninterruptible power supply includes a power supply main body, the power supply main body is provided with a built-in battery and a first electrical contact structure electrically connected to the built-in battery; and a capacity expansion battery module detachably connected to the power supply main body, wherein the capacity expansion battery module is provided with a second electrical contact structure; and the capacity expansion battery module is configured to be electrically connected to the first electrical contact structure through the second electrical contact structure, so as to be connected in parallel to the built-in battery.

Abstract: A display panel and a terminal. The display panel includes a liquid crystal array matrix cell, a backlight module, a light guide column, and an electrochromic module. A through hole is formed in the backlight module, and the through hole is used for accommodating the light guide column. The liquid crystal array matrix cell is located on a first side of the backlight module, the electrochromic module is located on a second side of the backlight module, and the first side of the backlight module and the second side of the backlight module are opposite sides.