They had to do the levelling first and then the terracing .
他们先得平地，然后再造梯田。
Many clubs want to keep terracing at their grounds .
许多俱乐部都想在自己的运动场地保留看台区。
" The lidar is the most effective way for us to see how dense the population was , how dense the agricultural terracing was and its relationship to the housing , and just how much these ancient people modified the landscape , " said team member arlen chase .
This study use the paddy rice terracing in hsinchu 's as testing area . In the choose rainfall events , observed original hydrology data and observed erosion data are collected adopted .
