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varifocal optical system
meaning in Chinese
变焦光学系统
Related Words
varifocal imaging
varifocal lens
varifocal obejective
varifocal le
varifocal objective
varifocal scanning system
varifocal lens binocular
varifocal moire zone plate
varifocal obejective
varifocal objective
varifocal scanning system
variform
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