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1.a steel gray metallic mineral (a sulphide of lead and antimony).
一种蓝灰色金属矿物（铅和锑的硫化物）。收藏指正
2.a rare steel-gray mineral consisting of silver and germanium and sulfur.
一种青灰色矿物，含银、锗和硫磺。收藏指正
3.A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.
石墨一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管收藏指正
4.Effect of Adding Steel Scrap into Liquid Iron in Ladle on the Tensile Strength and Microstructures of Gray Iron
铁液中加废钢对灰铸铁组织和强度的影响收藏指正
5.Mr Gray is a man as hard as steel, but very just.
格雷先生意志坚定，为人公正。收藏指正
6.For steel members received these treatments, rolled scale, rusted attachments are erased into punctual blotch, and sliver gray metal is exposed instead.
这样处理后的构件表面轧制氧化皮、锈和附着物残留在钢材表面的痕迹已是点状的轻微污痕，构件表面露出银灰色的金属光泽。收藏指正
7.a hard brittle gray polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals.
硬而脆的灰色多价金属元素，与铁相似但无磁性，用于制钢，存在与许多矿物中。收藏指正
8.Finally, the true center points and radiuses are detected by clustering all arcs according to priority, center points and radiuses, we used this method to process gray images which include circular figures and strip steel coils, and have achieved satisfactory results in the experiment
该方法对圆形图案和物体等图象进行处理,识别圆心位置和半径尺寸,获得满意的实验效果,并在新日铁的机器人视觉系统中用于识别带钢卷。收藏指正
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