unsureness

1.Distribution channel is the important part of marketing, which has the nature of slow-establish process, long-term efficiency and unsureness of control.

销渠道是企业营销的重要部，有建立过程的缓慢性，建立后的不易改变性，以及企业对其难以控制性。

2.Chapter 4, according to the shortage of the algorithm provided in the chapter 3 and removing the influence of unsureness sensors information, a feasible mixed approach of path planning is discussed.

第四针对第三提出算法的缺点，排出不确定传感器信息的影响，试验一种随与局部路径相结合的混合路径方法。