On a recent Wednesday night the crowd spilled out the door at San Francisco's Axis cafe, where the draw wasn't a hot band or a talented bartender, but a lecture. On physics.
星期三晚上，一群人走出了旧金山的Axis咖啡馆，在这个特别的咖啡馆里，并没有当红乐队和招牌侍应生，取而代之的是一场演讲，而且是物理方面的。
Through structuring an ellipse being similar with target window's inscribes ellipse, it use major axis and minor axis to identify band.
通过构造一个与目标区域内接椭圆的相似椭圆，利用其长轴和短轴确定核函数带宽。
A thin membrane as an echogenic band stretching across the left atrium could be identified with echocardiography on the parasternal and apical long axis views;
胸骨旁及心尖长轴位心动超声图确定左房内异常隔膜形成的回声增强亮带；
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