革新革新梯田农业terrace_farmingin_game/common/advances/region_north_america.txt:510为了最大化利用高原有限空间的优势，我们开发了梯田农场和更好的灌溉技术。需要谷水灌溉革新requires革新树谷水灌溉梯田农业顶峰堡垒 之后还有3项修正每月发展度+0.001定义in_game/common/advances/region_north_america.txt:510511age = age_1_traditions512▾potential = {513is_capital_in_south_america_or_carribean = yes}515global_monthly_development = 0.001517requires = valley_irrigation
谷水灌溉革新requires谷水灌溉革新requires谷水灌溉革新requires
