Chair and lab stool design should be adjustable, chairs should have a stable base, arms of chair shall be adjustable in height and weight.

椅子和凳子的设计应可调节。椅子应有稳定的基座，椅子扶手可按高度和重量调节。

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The bottle-securing coupler is adjustable to secure a bottle to the upper component while allowing adjustment of the Angle of the bottle relative to the base component.

所述瓶紧固耦合件是可调整的，以将瓶紧固到上部组件，同时允许相对于所述基座组件调整所述瓶的角度。

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A practical method of designing speed-adjustable system of sensorless vector control which base on PLC hierarchical intelligent control is proposed in this paper.

本文提出了一种实用的基于PL C分级递阶分布式控制的多电机无速度传感器矢量控制调速系统设计的新方法。

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Without any LCD or way to preview the video, the camcorder clock relies on an adjustable base and a clever mirrored button similar to the tiny round mirrors used for taking pictures of yourself on cameras and camera phones.

ENGADGET: Switched On: Creep spy for the cheap guy