For example, a company may be able to estimate accurately the aggregatenumber of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.
It is also a process of design and construction of the aggregatenumber.
另外还进行了施工流程的设计和材料数量的汇总。
3
Although the aggregatenumber of failures may seem higher (due to the increased number of companies being launched) the ratio of early stage failures to successes is probably still the same.