形态发生
背景(考古学)
牙列
生物
解剖
细胞生物学
遗传学
基因
古生物学
出处
期刊:Ludwig Maximilian University of Munich - Munich Personal RePEc Archive
日期:1979-03-01
卷期号:7 (1): 49-60
被引量:105
摘要
Theodore Roosevelt gave this speech in August, 1912 regarding what the country needs to do both for its farmers and for its businessmen. Roosevelt is clear the government should help the farmer in all his enterprises to succeed as he is the backbone of our nation. Business should be regulated to allow for both small and big business to prosper. Above all, prosperity for all Americans is the goal.
科研通智能强力驱动
Strongly Powered by AbleSci AI