The thrust lock moves freely, and has the advantages of less parts, simple structure, convenient use, simple processing technology, low cost, etc.

该推力锁具有运动自如，零件数量较少，结构简单，使用方便，加工工艺简单，成本较低等优点。

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The utility model has the advantages of large axial moving amount, small mounting distance, simple processing technology, material saving, low cost, etc.

本实用新型具有轴向移动量大，安装距小，加工工艺简单，节约原材料，生产成本低等优点。

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LIGA mask technology based on silicon process technique and double side alignment is presented. The processing technology is simple.

提出一种基于硅工艺和双面对准技术的LIGA掩模技术，工艺十分简单。

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It's sweet and simple: the camera captures the reflection of light on the user's eye, and image processing technology then calculates the user's viewing angle to allow for hands-free navigation on-screen.

ENGADGET: Fujitsu eye-tracking tech uses built-in motion sensor, infrared LED for hands-free computing (video)