遵守规则

In order to play a role in the Global Positioning System, Cameroon Customs developed a series of special rules: General Administration of Customs cargo in transit to obtain the permission of the goods must be installed on transport vehicles in the monitor display, and in strict accordance with the designated route transit shipment of goods in the cargo clearance in Cameroon may not stay more than 20 days, we must and can only be designated by the Customs checkpoint stop, can not break in Douala or Yaounde stopped in transit to reach destination in 20 minutes after the monitor display will be returned to the Customs and Excise Department ; in case of accident or failure of freight vehicles are not required to comply with the norms, but as soon as possible to the recent report of the customs checkpoint.

为使全球定位系统发挥作用，喀麦隆海关特别制定了一系列规则：货运方在海关总署获得货物中转许可后必须在运输车辆上安装监控显示器，并严格按照货物中转指定路线运货，在货物出港后在喀麦隆境内停留的时间不得超过20天，必须并且只能在指定的海关检查点停歇，不能在杜阿拉或者雅温得休停，在到达中转目的地后必须在20分钟内将监控显示器交还给海关；如遇到交通事故或者运货车辆出现故障，则无需遵守上述规范，但必须尽快向最近的海关检查点报告。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。