Before 1970 only nine countries had experienced DHF epidemics, a number that had increased more than four-fold by 1995.
1970年之前，只有九个国家发生过登革出血热流行，到1995年时这个数字增加了四倍以上。
It wouldn't be the first time gold has risen in such a way: the price of gold jumped 23-fold in the nine years ending in 1980.
历史上就有这样的例子：在1980年前的9年，黄金的价格就上涨了23倍。
In nine years the Pentagon has increased its drone fleet 13-fold and the generals are spending at least $5 billion a year adding to it.
在九年的时间里，五角大楼把它的无人机战队增长了13倍，这里的将军们每年至少为此投入50亿美元。
The gap between the highest-income and lowest-income families in urban areas is an astounding 26-fold, while the official data sets it at nine-fold.
城市地区最高收入与最低收入家庭的差距令人震惊，相差26 倍，而官方数据认为是9 倍。
In 2008, a nine-fold increase in new cases caused by this serotype has been reported compared with the same period in 2007.
与2007年同期相比，2008年这一血清型病毒导致的新病例报告数目增加了9倍。
One article basically foretold the onslaught in technology trade that was to come: Japanese camera exports increased a staggering nine-fold between 1954-56.
从1954年到1956年间，日本摄影器材出口惊人地增长了九倍。
One article basically foretold the onslaught in technology trade that was to come: Japanese camera exports increased a staggering nine-fold between 1954-56.
从1954年到1956年间，日本摄影器材出口惊人地增长了九倍。
应用推荐