It has been so, not only in the present period, but always.
它已然如此了,不仅仅是现在,它总是如此。
During the present period, the main content of urbanization is urbanization of population.
在我国目前阶段,城市化的一个重要内容就是人口的城市化。
Man as he exists on this planet in the present period of cosmic history may one day disappear.
在宇宙史现期中生存于这个行星上的人,也许有一天会消失。
This is the present value of $1 in one time period, which I'm taking to be a year.
这就是一美元在一段时期内的现值,我只是将一美元持有一年
From 1983 to the present as you just said, the economy has a long period of smooth, robust expansion interrupted by two very mild recessions.
第二时期是从1983年至今,正如你所说,经济长时间处于,平稳强健的发展状态,而只出现了两次轻度衰退。
Generally, if it pays c dollars for every period, the present value is c/r.
推广开来,如果在每段时期内支付c美元,那么它的现值就是c/r
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