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机械加工在产品开发的场合，关于人力，物力，财力，时间，信息的分配，都收到严重条件的限制。分配时，要从有限的人力和经费中，分配给某种产品的开发，作为适合时机又具吸引力的商品在市场上售出，获得利润为目标。 In the field of product development, mechanical processing has been severely restricted in terms of manpower, material resources, financial resources, time and information distribution. Distribution, from the limited manpower and funds allocated to the development of certain products, as a suitable time and attractive goods sold in the market, profit as the goal. 如果商品不具吸引力，销售不出去，那么分配的人力和经费也完全成浪费。另外，分配用于开发的人力和经费投资，从其商品销售所得的利润中尽管可以收回，但如果为收回所需的期间特别长，那么作为开发投资是一个失败。这是应为若将这些人力财力投在其他产品的开发会更好的缘故。 If the goods are not attractive and cannot be sold, the allocation of manpower and expenses is entirely wasted. In addition, the allocation of human and financial investment for development can be recovered from the profits of the sales of the goods, but if the period required for recovery is particularly long, then the investment as a development is a failure. This should be a better reason to invest these human resources in the development of other products. 企业中从事产品开发的场合，需研讨以下问题： Enterprises engaged in product development occasions, the following questions should be discussed: （1）想开发的产品是否与用户需求符合？ (1) is the product to be developed in line with user requirements? （2）想开发的产品是否与本公司正题的开发方针相适应？ (2) whether the products we want to develop fit in with the development policy of our company? （3）想开发的产品的性能，同竞争产品想必是否逊色？ (3) the performance of the products to be developed must be inferior to that of the competing products （4）商品化时，制造和销售方面是否存在问题，能否解决？ (4) are there any problems in the manufacture and sale of commodities when they are commercialized? （5）制造成本有多高？ (5) how high is the manufacturing cost? （6）销售价格和利润有多少？ (6) how much is the selling price and profit? （7）开发费用需要多少？ (7) how much does the development cost need?