non-overlapping observation【统计】
【建筑】观测塔，广播塔
observation tower, radio tower, belfry
暂无补充释义。
相关词条
empathic learning, observation learning
observation
time study observation sheet
method by series【测】;method of direction observation【测】
keep under observation
Tiros【电】视 航;television and infrared observation satellite【电】视 航
line of observation【军】;survey line【口腔】