In case of the utilization of the optical AIDS, the low vision's children could use their remained vision helping their study and life.
通过使用助视器，使低视力儿童能够充分利用其残余视力以帮助其学习和生活。
The camera's optical glass pentaprism viewfinder AIDS accurate shot composition, offering an extremely bright view with minimal distortion and a generous 98% field coverage.
相机的光学玻璃五棱镜取景拍摄的组成助您取得准确，提供了以最小的失真和慷慨的98%的外地覆盖面非常光明的看法。
The dielectric material can define a path for the optical signal, and can be wrapped in a sheath which aids in keeping the optical signal along the path.
所述介电材料可界定用于光信号的路径，且可包裹在护套中，所 述护套有助于保持所述光信号沿着所述路径。
The dielectric material can define a path for the optical signal, and can be wrapped in a sheath which aids in keeping the optical signal along the path.
所述介电材料可界定用于光信号的路径，且可包裹在护套中，所 述护套有助于保持所述光信号沿着所述路径。
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