任何一个企业的相对优势是有限的,故品种开发不是越多越好、越新越好,要一切从市场需求出发、从企业实际出发,关 键在于是否体现系列化、组合化、便利化、安全化(市场风险系数不大)、主导化;是否能提高企业的生产能力和产品竞争力; The relative advantage of any one enterprise is limited, so the varieties are not developed more and better, the newer the better, everything from market needs, starting from the actual business, the key is whether to reflect the serialization, combination, facilitation, security (Market risk coefficient is not large), leading; whether to improve the production capacity of enterprises and product competitiveness;