Appendix C. Examples of age structure distribution for three different plots that demonstrate (a) uneven age structure, (b) a flat even-age cohort establishing around 1900, and (c) a flat even-age cohort establishing around 1950.
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Examples of age structure distribution for three different plots that demonstrate (a) uneven age structure, (b) a flat even-age cohort establishing around 1900, and (c) a flat even-age cohort establishing around 1950.
创建时间：
2016-08-10
