| 摘要 |
<p>A case database which stores requirement specifications in the past, and product specifications; a proposal base selection unit which selects a proposed base that becomes the gist of a newly proposed requirement specification; a requirement specification draft preparation unit which compares a requirement specification included in the proposal base and the requirement specification included in the requirement specification original plan, and when the requirement specification included in the proposal base does not satisfy the requirement of a customer, corrects the requirement specification included in the proposal base to the requirement specification included in the requirement specification original plan or a requirement specification similar to the requirement specification included in the requirement specification original plan among the requirement specifications stored in the case database; and a product specification draft preparation unit which prepares a product specification in accordance with the requirement specification prepared by the requirement specification draft preparation unit.</p> |
