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平行光管焦面位置校准
释义
平行光管焦面位置校准
Encyclopedia
工学
光学元件及光学系统特性参数计量
释
calibration of focal plane position of collimator
平行光管焦面位置校准
使分划板的分划面位于物镜焦平面上。平行光管作为光学实验室常用设备之一,可产生模拟无穷远的准直光束,为光学检测提供无穷远的检测目标,在光学系统的像质检测、光学参量测量、无穷远焦面位置的准确标定等过程中发挥重要作用。
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stock-issuance system
stock issue
stock issue market statistics
stock keeping unit
stock management
stock market
stock market analysis
stock market economy entity
stock market statistics
Stockmayer potential
stock of economy
stock of human capital
stock options
stock-out rate
stock payment
stockpile test of nuclear weapon
stock preparation system
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stock price index
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