The new technology improved efficiency fivefold.

新技术使效率提高了五倍。

The company's profits increased fivefold this year.

今年公司的利润增加了五倍。

The investment returned fivefold the original amount.

这项投资回报了原始金额的五倍。

The production capacity has increased fivefold since the upgrade.

自升级以来，生产能力增加了五倍。

The population of the city has grown fivefold in the last decade.

在过去的十年里，这座城市的人口增长了五倍。

Per capita income has grown fivefold.

中国的人均收入增长了4倍.

The floor space of the warehouses has grown fivefold.

仓库面积增加了四倍.

And fivefold, threefold and twofold axes of rotational symmetry.

五重，三重和两重螺旋对称轴。

And fivefold , threefold and twofold axes of rotational symmetry .

五重，三重和两重螺旋对称轴。

The advantage of the present scheme lies in a fivefold reduction in manpower.

这一方案的优点在于减少人力4/5（即减少到1/5）。