Three types of traction power are further compared both economically and technically.

并进一步对三种牵引动力作了技术经济比较。

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Recovery of lime or alum must be justified both economically and technologically by careful studies based on local conditions.

石灰或明矾的回收必须兼顾经济和技术通过基于当地条件的仔细研究来论证其可行性。

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The study of complex mineralization and metallogenic series of ore deposits have a great significance both economically and theoretically.

研究矿床的复合成矿作用和矿床组合具有重要的经济和理论意义。

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Immigrants have made New York the wonderful city it is, both economically and culturally.

WHITEHOUSE: Sanctuary for Immigrants

We saw the stunning errors of a chancellor exposed as both economically and politically bankrupt.

BBC: Autumn Statement: Press reaction

It just made sense to make the move both economically and for family life.

FORBES: More Stay-At-Home Dads are Only Half a Victory