应用散光盘进行散光检查时,当被检者说3~9点线最清晰时,此时散光轴位是180°。()
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测量双焦眼镜时,测量子片的焦度量值应该是前顶焦度。()
Which three are the phases of the Cisco Smart Business Roadmap?()
A. Finished
B. Implemented
C. Foundation
D. Beginning
E. Optimized
F. Growth
在双焦眼镜中,主片的从曲面焦度对于老视的附加光度起到决定性作用。()