69X系列偏光显微镜用途概述：
    采用透射照明系统，主要用于对各种透明的晶体、岩石、矿物以及具有双折射的物质进行观察和鉴定，是地质、矿产、冶金等部门和相关高等院校zui为常用的专业实验仪器之一。也可用于纺织、化纤行业对纺织纤维和医用单位对药物进行检验。随着光学技术的不断进步，偏光显微镜其应用也越来越广泛，可供用户作单偏光观察;正交偏光观察;锥光观察以及显微摄影，配置有石膏λ、云母1/4λ试片、石英楔子和移动尺等附件，是有一组具有较完备功能和良好品质的产品。
    The 69X polarizing microscope uses the transmission illumination system, mainly uses in to each kind of transparent crystal, the rock,the ore as well as has the double refraction the matter to carry on the observation and the appraisal, This one of in common use specialty experiment instruments correlation, geology, minerals, metallurgy department and college etc. Also may use in the textile, the chemical hemp industry carries out the examination to the textile hemp and the medical unit to the medicine. Along with the optics technology unceasing progress, polarizing microscope its application more and more is also widespread, may make the single polarized light observation for the user; Orthogonal polarized light observation; The awl light observation as well as the micrograph, the disposition have the gypsumλ，the mica 1/4λpreviews, appendix and so on quartz wedge and motion ruler, has a group to have the maturity function and the good quality product.

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