This sets up a vicious circle of increasing myopia, stronger glasses, and increased focusing stress.
这就形成恶性循环,近视加重,眼镜加深,调焦压力加重。
By focusing a circle of light on the cornea and measuring its reflection, it is possible to determine the exact curvature of the cornea's surface.
通过将一束圆形光圈聚焦在角膜上,测量反射过来的光线,就能得出角膜表面曲率的确切数据。
This dissertation discusses the cultural reconstruction and the economic recovery of Yangzhou in Early Qing, focusing on the composition of the painting circle of Early Qing Yangzhou.
本文围绕清初扬州文化的重建和城市经济的复兴进行了一些探讨,关注的中心问题是清初扬州画坛的构成状况。
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