本文研究高屈光度眼用透镜消除离轴像散的非球面化模式.In this paper, model of aspherisation for higher - dioptry spectacle lens is investigated.在腔内插入一定厚度的布儒斯特片可以部分消除腔的像散.The resonator ( astigmatic ) can be compensated by inserting a suitable thickn...
Thirty seconds later she reappeared and beckoned them forward.30秒后她又出现了，示意他们往前来。Hughes beckoned him to sit down on the sofa.休斯示意他在沙发上坐下。Hughes beckoned him to sit down on a sofa.休斯示意他坐在沙发上。...
His mind was reeling at the shock.他吃惊得脑袋发晕。He let David go with a thrust of his wrist that sent the lad reeling...他手腕猛一用力推开戴维，让这小伙子打了个踉跄。He was reeling a little. He must be very drunk...他走起来有点儿摇晃，一定是喝多了。I'm still re...