Techniques for crawling hyperlinked documents are provided. Numerous particles are provided in the encapsulation can. To solve the bloom of harmful seaweed the apparatus draws water upward from deeper water with low algae concentration to the bloom zone, dissolving and moving the harmful seaweed far away from the cages. The first through silicon via electrically connects the memory control circuit and the memory chip, the second through silicon via is electrically connected to the memory chip and is configured to transmit power for the memory chip, the second through silicon via is electrically insulated from the logic chip, and the first surface of the substrate of the logic chip faces the base substrate.