The connector is fixed to the instrument panel support.

连接器被固定在仪表盘支架上。

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A large instrument having a fixed and a movable arm on a graduated stock, used for measuring the diameters of logs and similar objects.

测径器一种大仪器，在一刻度盘上有固定且可动的测脚，用于测量圆木和类似物体的直径。

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As a lightweight, portable instrument, the minicomputer is not confined to a fixed position but can be taken to, or placed in, locations where it can solve difficult problems.

由于这种设备重量轻、能携带，便可以不限制在固定位罝上，而能携带到或放置在能解决难题的地方。

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Miri will be fixed inside a cage-like structure called the Integrated Science Instrument Module and positioned just behind the big mirror.

BBC: Science & Environment