Abstract: An electronic component includes a board, an electronic device, and a stiffening structure is provided. The electronic device is disposed on the board. The stiffening structure is disposed on the board. The stiffening structure includes a ring portion corresponding the edge of the board. The stiffening structure includes a core base and a cladding layer. The cladding layer covers the core base.

Abstract: An energy-saving type plant cultivation system is provided, which includes: a first power source for generating first electric power from solar or wind energy; a plant cultivation device electrically connected to the first power source for receiving the first electric power, and having a plurality of layers of cultivation plates and further having at least a transparent sidewall to facilitate a monitoring staff to observe growth of the plants; a second power source electrically connected to the plant cultivation device so as to supply second electric power to the plant cultivation device; and a power storage unit electrically connected to the first power source, the plant cultivation device and the second power source so as to receive and store the first electric power or the second electric power and supply third electric power to the plant cultivation device if the first electric power or the second electric power is not sufficient.