文档介绍：several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measuremen头市人口的变动,是与根本建设和工业开展密切相关的,而不断涌进的流动人口也是包头人口变化中的一个支点,如今人口流动在包头市人口变化因素中已成为一个不可无视的问题。年,包头市迁入人口为万人,迁入率为,迁出人口为万人,迁出率为年,包头市迁入人口为万人,迁入率为,比年上升了,迁出人口为万人,迁出率为,比年下降了。
新中国成立前,包头市各少数民族由于受历史、自然等因素影响,人口增长一直较缓慢。年,少数民族人口只有万,占全市总人口的。新中国成立后,包头市经济、文化、教育、医疗卫生和社会福利事业得到飞速开展,保证了少数民族人口的较快增长。特别是党的十一届三中全会以后,随着党的民族政策的深入贯彻,在方案生育方面对市内少数民族适当采取放宽和区别对待的政策,加上过去隐瞒民族成份的一些人如实填报或改正为少数民族等因素,使包头市少数民族人口迅速增长。年底,包头市少数民族人口为万人,比解放初增加了万人,占全市总人口的。少数民族人口不仅数量迅速增多,而且人口素质也有了明显提高。②目前,包头市拥有个民族成分。其中蒙古、汉、回、满等个民族为世居民族,朝鲜、达斡尔、鄂温克、鄂伦春、俄罗斯、壮、锡伯、藏、苗、维吾尔、彝、布依、侗、瑶、白、土家、哈尼、哈萨克、傣、黎、傈僳、低、舍、高山、拉枯、水、东乡、纳西、景颇、柯尔克孜、土、松佬、羌、撒拉、毛南、讫佬、普米、塔塔尔、京等个民族,是新中国成立后先后移居包头市的少数民族。
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such