This decrease is attributed, inter alia, to: the unusually heavy rainy season, which limited overland movement; greater vigilance by the Chadian authorities and security forces; and improved relations between Chad and the Sudan including, in particular, the activities of the Chadian-Sudanese Joint Border Monitoring Force.
?? 谢 邪 薪 芯? 胁 懈 褯 械 薪 邪 屑 褋 械? 褍 褉? 褍 褕 懈褌懈, 邪 斜 邪 薪 褑 懈 褯 械 芯 褋 褌 邪 褌 懈褉邪 褉邪 褔? 褍 薪? 泻 芯 褬 懈 薪 械 屑 芯 卸 械? 写 邪 懈褋?? 谢 邪 褌 懈UN-2 UN-2