That figure is four times higher than in the eight nations now in the european union 那个比率比现在欧盟八国的四倍还要多。
2.
A report by department of education estimates that the rate of chinese teachers and students is four times higher than americans ' 教育部的一份报告估计中国的学生和老师的比例比美国高四倍。
3.
A report by the department of education estimates that the student - teacher ratio in china is four times higher than in the united states 教育部的一份报告估计中国的学生和老师的比例比美国高四倍。
4.
The population density in such an area is four times higher than the average level of the nation ; and thus the socio - economic profile of this region is strategically important in china 同时，未来社会经济的高速发展还将对该区湿地构成进一步的威胁，这就对该区应对突发灾害事件的应急预警能力提出了前所未有的挑战。
