求翻译：2．But new census figures bolster claims made in the past few years that China is suffering from a demographic problem of a different sort: too low a birth rate. The latest numbers, released on April 28th and based on the nationwide census conducted last year, show a total population for mainland China of 1.34 billion. They also reveal a steep decline in the average annual population growth rate, down to 0.57% in 2000-10, half the rate of 1.07% in the previous decade. The data imply that the total fertility rate, which is the number of children a woman of child-bearing age can expect to have, on average, during her lifetime, may now be just 1.4, far below the “replacement rate” of 2.1, which eventually leads to the population stabilising.是什么意思？

待解决 悬赏分：1 - 离问题结束还有