| 摘要 |
PROBLEM TO BE SOLVED: To provide a product and its update method by which the product can be used for a long time by preserving the value for a comparatively long period. SOLUTION: This product 30 can be separated into a stock part 31 comprised of function blocks wherein a value is kept for a comparatively long period and a flow part 32 comprised of function blocks wherein a value is reduced for a comparatively short period, and the flow 32 is attachable/detachable to/ from the stock 31. In addition, in a first product comprised of the stock 31 and flow 32, the stock 31 is still used and the flow 32 only is exchanged with new one having an improved function and a new composition, making a second product for updating. |
