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frequency histogram
agric. 频数直方柱图; 频率直方柱图
oil 频率直方图
space 频数直方图
stat. 频率柱状图; 频率组体图
tech. 次数直方图
frequency histogram
: 14 phrases in 7 subjects
Air defense1
Bridge construction1
Business1
Cartography2
Economy1
Space2
Technology6