sibship

The research is to clarify the sibship and geographic distribution of Artemisia frigida Populations.

摘要【目的】阐明内蒙古冷蒿居群系与地理分布的系。

(2) the inverse relation between sibship size and a child's schooling accentuates for the cohorts 1950-59 and 1960-69;

此外，手足人数之负向响，以1950-59与1960-69出生世代最为显著。