Not only the optical property but also the rigidity of homopolymerized PP is improved by adding nucleating agent, and the processing performance is improved.

成核剂的加入，不但改善了PP的光学性能，而且提高了PP的刚性，在某种程度上改善了其加工性能。

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Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.

在显微物镜的成象光路中，增加一块振荡反射镜，使被测线宽的放大象相对窄缝扫描，将光学边界信息转变为梯形电脉冲。

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Adding modified silicate nanometric powders to HDPP and PVC cases as casing material for optical fiber tube can significantly improve its performance.

研究表明，改性后的硅酸盐矿物纳米-微米粉作为填料对光纤护套管（HDPP）和管（PVC）的性能有较大影响。

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The mirror-less camera builds on its forbears, phasing out the mirror-based optical viewfinder of the SLR camera and adding an interchangeable lens mount, while keeping the light-weight feel of the compact camera.

FORBES: New Developments for the Camera Category

Adding even more, the new HMX-U20 now puts a true 3x optical zoom in the palm of consumers' hands, allowing for additional creativity when recording life's special memories.

ENGADGET: Samsung's PMA gifts: HD pocket camcorders, point-and-shoots with AMOLED screens