Gold ETFs basically aim to track the daily spot price of gold.

Current market price of the actual physical commodity. Also called'spot price. "

实际的现货商品的目前市场价格, 也叫 “ 现货价 ”.

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In addition, in the cash limited circumstances, the spot price.

另外, 在现货有限的情况下, 现货价大幅上涨.

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The first component are mainly formed by the spot price and copper futures price of LME.

这说明LME铜 期价和现货价格的确是影响上交所铜期货价格的最主要的因素,与逐步回归模型的结论一致.

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Spot price and futures price trade for the market provided main basis.

现货价格与期货价格为市场交易提供了主要基础.

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Resistance spot welding machine is used in the manufacture of the automobile, airplane, and electrical appliances.

点焊机主要用于汽车 、 飞机和家电制造等方面.

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Thermal expansion deformation for resistanee spot welding of low-steel is simulated by an finite element model.

用有限元方法模拟了低碳钢点焊过程的热膨胀变形.

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Compared with spot welding of low carbon cold rolled steel , weldability of galvanized steel sheet worsened.

热镀锌钢板与普通低碳冷轧钢板相比,其点焊焊接性能显著恶化.

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The potential applications of fractal theory to resistance spot welding is discussed.

介绍了分形理论,探讨了其在电阻点焊中的应用前景.

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This paper introduces the design method of a new capacitor stored energy spot welding machine.

介绍了一种新型电容储能焊机的电路系统设计.

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Resistance spot welding in aluminum alloy was tested by ultrasonic immersion method with focusing probe.

摘要介绍采用水浸超声聚焦回波检测铝合金电阻点焊焊核直径.

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Ways and methods of optimizing resistance spot welding parameters are given.

给出了优化点焊工艺参数的途径和方法.

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New robot technique for spot welding used in automobile work is introduced.

介绍了汽车制造厂点焊用新型机器人技术.

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It has great interest to establish Expert System ( ES ) for spot welding process.

建立点焊专家系统,对于实现点焊过程的智能化,优化点焊规范参数,降低对操作者的要求,提高点焊质量,具有重要意义.

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This paper introduces a single chip computer system used for measuring the spot welding current.

介绍了一种用以检测点焊焊接电流有效值的单片机系统.

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An axisymmetric finite element electro-thermo-mechanical model for resistance spot welding process is introduced.

介绍了模拟点焊熔核形成过程的轴对称电、热、力学有限元模型.

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We sat, I in the spot on the couch immediately to his right.

我们坐着, 众目睽睽之下我紧挨总统的右手坐在沙发长椅上.

百科语句

He was laid away in his favorite spot on the hill.

他被安葬于山上他喜欢的地点.

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The red spot on his arm is a sting.

他胳膊上的小红点是虫叮的伤痕.

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His assessment of the situation was spot-on.

他对形势判断得很正确。

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How did you get that spot on your face?

你脸上怎么弄脏了一块?

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