过剩人口

Because of overpopulation, water shortage has become one of the most serious problems.

由于人口过剩，水短缺已经成为一个最严重的问题。

In history, the matter of overpopulation has never been more serious than now.

历史上，人口过剩的问题从来没有比现在更加突出。

The Family Planning Policy is a very good policy ,especially in China, because China has turned into overpopulation

计划生育政策是一项非常好政策，特别是在中国，因为中国已经有人口过剩的趋势。

In history, the problem of overpopulation has never been more evident than now

历史上，人口过剩的问题从来没有比现在更加突出。

In history, overpopulation has never been more serious than now.

历史上，人口过剩的问题从来没有比现在更加突出。

In history, the problem of overpopulation had never been so serious than now.

历史上，人口过剩的问题从来没有比现在更加突出。

In history,the problem of overpopulation has never been more evident before than now.

历史上，人口过剩的问题从来没有比现在更加突出。

Never in history has the problem of overpopulation been more prominent than now.

历史上，人口过剩的问题从来没有比现在更加突出。

Never before in history has the issue of overpopulation been more evident than now .

历史上，人口过剩的问题从来比现在。

Now, the problem of overpopulation is severer than any time in history.

历史上，人口过剩的问题从来没有比现在更加突出。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。