Terms for subject Surveying containing lowest

English	Chinese
Indian spring low water	又称印度大潮低潮面
Indian spring low water	略最低低潮面
low-altitude aerial photography	低空航空摄影
low pass filter	低通滤波
lowest normal low water	曾称理论深度基准面
mean low water springs	平均大潮低潮面
spring low water	大潮低潮
theoretical lowest tide surface	理论最低潮面