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生命期望
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生命期望
Encyclopedia
理学
生命期望
释
life expectancy
生命期望
种群中某一特定年龄的个体在未来所能存活的平均时间。又称期望寿命、平均寿命。
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Ping Dang
Pingdiao Opera Heritage Centre of Ninghai County
Pingdingshan Museum
Pingdingshan Shi
Pingdingshan Stone City
Pingding wuya drum
Pingding Xian
Pingdong Pingyuan
Pingdu Shi
pinger
Pingfang Qu
ping fen yin yang (the splition of ping tone into yin-ping and yang-ping)
Pingfu Tie by Lu Ji
Pinggui Qu
Pingguo Shi
Pinggu Qu
Pinghe Xian
Pinghua Dialects
Pinghua storytelling in Fuzhou dialect
Pinghua storytelling in Suzhou dialect
Pinghua storytelling in Yangzhouzhou dialect
Pinghua-Tuhua Dialects
Pinghu Mo's Manor
Pingjian Buxiaosheng
Pingjiang Opera
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