根据这一原理，制造出了最初的地震仪器。

It was upon this principle that the first instruments were made.

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自行车和摩托车是根据同样的原理制造的。

Abicycle and a motorcycle are built on the same principle.

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自行车和摩托车是根据同样的原理制造的。

A bicycle and a motorcycle are built on the same principle.

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这种发动机是根据一种新的原理制造出来的。

Thee engine is built on a new principle.

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熟悉机械制图，机械制造原理及机械装配的基本知识；

Familiar with the mechanical drawings, mechanical manufacturing principle and basic knowledge of mechanical assembly;

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这种发动机是根据一种新的原理制造出来的。

The engine is built on a new principle.

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文中简要阐述了该夹具的设计原理及制造工艺。

In the article, the design principle and manufacturing process are given.

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文中简要阐述了该夹具的设计原理及制造工艺。

In the article, the design principle and manufacturing process are given.

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