Because he had already lost vision in his left eye from his stroke in 1906, he had clear vision only in the temporal (outer) half field of his right eye.
1906年的中风已经使他的左眼失明，因此只有他右眼颞部(外部)的半部分还有清晰的视觉。
2
Use the Outer glow option to add a very slight grey border, adjusting the Spread to the Max will turn the default glow into a solid strip of colour which helps add this double stroke effect.
继续用外发光来添加一个浅灰色的边，调整扩展值到最大这样我们可以得到一个双边线效果。
3
For the foam-filled double tube structure, the stroke efficiency and the energy absorption efficiency under the outer tube tear failure mode is higher than that under the progressive buckling mode.