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d in demographi上海后花园女神会所c turnaround. It took just 46 years－from 1949 to 1995－to lift its people’
s average life expectancy from 40 years to 70.8 years, an accomplishment all the more admirable because China is still a de
veloping economy. As such, China has set a fine example for human development.
As a leading developing country, China has notably closed the gap with developed countries in terms of people’s life
expectancy and health. In fact, by 2015, Chinese people’s average life expectancy at birth had increased to 76.34 years.
Compared with the mortality rate, however, the changes in China’s fertility rate have been astoundingly rapid. China became a low fertility country toward the end
of last century with its total fertility rate dropping below the replacement the level in 1992 from 5.81, about 2.8 times of rep
lacement level, in 1970. China has had a fertility rate of about 1.6, equivalent to developed countries’ average, for quite a while.
The app and database will help us gather more precise and well-rounded data on the population, distri
bution, ages, gender ratio, birth and deaths of wild pandas, who live in deep mountains and are hard to tr
ack,” said Chen Peng, a researcher with the base who co-authored a paper on “Giant Panda Face Recognition Using Small Database.”
“It will definitely help us improve efficiency and effectiveness in conservation and management of the animals,” Chen said.
China has carried out four scientific field research project of giant pandas in the wild.
The giant panda was scientifically discovered 150 years ago and n
amed in the city of Ya’an, Sichuan. It remains one of the world’s most endangered species.
The number of captive pandas was 548 globally as of November last y
ear. Fewer than 2,000 pandas live in the wild, mostly in the provinces of Sichuan and Shaanxi.