The Dow Jones Industrial Average fell 103.84 points, or 1%, to 9908.39, marking its first close below the 10000 level in three months.
道琼斯工业指数下跌了103.84点，或1%至9908.39点，是其三个月以来首次跌破10000点大关。
Good beam quality, close to the basement membrane, small spot diameter, perfect for ultra-fine marking.
光束质量好，接近基膜，光斑直径小，完美适用于超精细标记。
This article studies high-accuracy positioning of the marking signs in the digital close-range images. Research is carried out on the artificial marking signs in two images of the bridge cable models.
本文研究数字近景图像上标志点的精确定位问题，具体围绕两张桥梁悬索模型数字近景图像进行人工标志点的定位研究。
This article studies high-accuracy positioning of the marking signs in the digital close-range images. Research is carried out on the artificial marking signs in two images of the bridge cable models.
本文研究数字近景图像上标志点的精确定位问题，具体围绕两张桥梁悬索模型数字近景图像进行人工标志点的定位研究。
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