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自准直仪
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自准直仪
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工学
光学测试仪器
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autocollimator
自准直仪
根据光的自准直原理,将角度测量转换为线性长度测量的非接触式角度测量仪器。又称自准直光管、光学平直度检查仪。
Physics
autocollimator
自准直望远镜,自准直仪
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forest expectance return rate
forest expectation price method
Forest Fire
forest fire
forest fire cycle period
forest fire detection
forest fire disasters in China
forest fire ecology
forest fire environment
forest firefighting equipment
forest fire fighting vehicle
forest fire management
forest fire monitoring by remote sensing
forest fire monitoring system
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forest fire pump
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forest floor decomposition
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forest-forest steppe faunal group of temperate zone in China
forest for sand fixation
forest for soil and water conservation
forest for special purpose
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