Since all of the line work elements were separated and grouped in the previous PSD file, it was easy to make adjustments and extend the ground plane elements to the Old State House.
因为以前的PSD文件里所有的线条元素被分开重组，这样就很容易调整和扩展地平面元素到老州议会大厦建筑。
In recent years, PSD is widely used to ensure operational safety by separating the tunnel and the station on the edge of the platform in constructing a new subway line or renewing the old line.
近年来，我国地铁的新线建设或旧线改造工程广泛采用在站台边缘设置站台屏蔽门，将隧道与车站分隔开以确保运营安全。
Pacific Silicon Sensor's product line includes a wide range of standard Photodiodes, Avalanche Photodiodes (APD) and Position Sensitive Detectors (PSD), both single and dual axis.
太平洋硅传感器的产品线包括一个标准的光电二极管，雪崩光电二极管（APD）和位置敏感探测器（PSD）的单一和双广泛轴。
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