From the point of view of ergonomic, the importance of the changes in human body sitting postures lead to the R & D of a new office chair.

本文从人体工程学角度出发，由信息传递理论得出人体坐姿转变的重要性原理，并以此为依据对新型办公椅进行设计与开发。

youdao

The Coordinating Council meets annually at the R. I. Conventions and at such other times as may be called by the Chair or the Council.

该协调参议会每年在国际年会时开会，如由主委或协调参议会要求时亦可于其他以外时间来召开。

youdao

The Coordinating Council meets annually at the R. I. Conventions and at such other times as may be called by the Chair or the Council.

该协调参议会每年在国际年会时开会，如由主委或协调参议会要求时亦可于其他以外时间来召开。

youdao