检查、记录其视力、眼压、房角图，对比二小时暗室低头试验前后高低眼压变动下房角变化情况。
We examined and recorded their visual acuities, intraocular pressures, prone head test in dark room for 2 hours (PHT) and the gonioscopic examination under high ocular pressures.
布局合风水及绘画空间经营之要，讲究远近高低、前后左右方位、山水结合、花木结合、四季有花和步步成景。
It is very important in height and distance, orientation, combination of mountain and water, combination of flowers and trees, blossom in every seasons, and sceneries by steps.
单头三系统，前后针床皆可中山吊目，三角具有高低脚针选择功能，皆采用步进马达驱动。
Single head cam system, tuck cam both in front and rear meddle beds, car has high-butt and low-butt select function, controlled by step-forward motor .
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