It won 28 medals at the 2000 Sydney Games, 10th in the medal standings. Four years later it notched 30 medals. By 2008 in Beijing, its 47 medals ranked behind only the U.S., China and Russia.

Even more distraught were the Ukrainian gymnasts, who dropped out of the medal standings to fourth.

更伤心的是乌克兰体操队，他们的得分降至第四位，与奖牌榜无缘。

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This device can overcome the limitations in sharpening small-diameter drills in the interior conical surface and hence improves the efficiency and quality in twist drill's sharpening.

克服了用成型砂轮实现麻花钻的内锥面刃磨时，小直径尺寸的麻花钻无法磨削的缺点，同时又能提高麻花钻的刃磨效率和刃磨质量。

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The utility model has the advantages of simple structural design, small size, low cost, easy operation, labor saving, time saving and low cutting consumption for drill bit sharpening.

具有一是结构设计简单、体小、成本低；二是操作简便、省工省时且钻头刃磨消耗小的优点。

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If without the moon, one can see fire from the knife sharpening on the stone;

没有月亮的时候，能够看到刀在石头上磨出的火星；

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It was shown that appropriate selection of sharpening capacitor and circuit inductance would decrease the current-pulse length without any harm to the thyratron.

适当选择锐化电容和回路电感量，可以使放电电流脉冲变窄而又不加重闸流管的负担。

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A pulse sharpening circuit with a high voltage and high frequency power supply is designed according to the theory of magnetic pulse compression, which is applied to a pulse power supply for a plasmas generator.

为研制用于等离子体发生器的高压高频脉冲电源，根据磁脉冲压缩网络的理论设计了一套脉冲陡化电路。

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Then, transform it through the pulse sharpening circuit consisting mainly of capacitances and magnetic switches, finally outputting the high voltage and high repetition rate nanosecond pulses.

然后运用脉冲功率技术，通过由电容器和磁开关等组成的脉冲陡化电路对正弦电压波形进行改形，最后输出纳秒级上升前沿、高重复频率的高压脉冲。

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Design of High Voltage and High Frequency Pulse Sharpening Circuit Based on Magnetic Switch

基于磁开关的高压高频脉冲陡化电路的设计

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The utility model discloses a sliding gauge for drill sharpening which is an inspection tool for drill sharpening, comprising a main gauge and an auxiliary gauge.

刃磨钻头活动卡规，是用于钻头刃磨时的一种检查工具。

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Design of Chamfer Tool and Its Sharpening Calculating Method

齿轮倒角刀的设计及刃磨计算

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The utility model relates to a pencil sharpener which belongs to a specific tool for sharpening a pencil.

铅笔专用刨刀，属于削铅笔的专用工具。

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A small tool for sharpening the flints was also found with the body.

在奥兹身边还发现了一个用来磨利燧石的小工具。

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A large rake gear shaper without theoretical errors is designed, at the same time, the tool sharpening methods and related device are given. The Tool Grinding of High-speed Steel Twist Drill while Processing Different Materials

提出一种大前角、无理论误差的插齿刀及其刃磨原理和刃磨装置。加工不同材料时高速钢麻花钻的刃磨

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Research on Large Rake Gear Shaper with out Theoretical Errors and Tool Sharpening Method

大前角无理论误差插齿刀及其刃磨方法的研究

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In this paper, author has given a study on the application of infiltration grinding wheel in the field of tool sharpening.

本方研究了浸渗砂轮在刀具刃磨领域中的应用。

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Through grinding experiments, the grinding performances of resin bond grinding wheels made with self-sharpening diamond ( CSD) was studied.

本文通过对比磨削试验，研究了自锐性金刚石（CSD）树脂砂轮的磨削性能。

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Resin bonded silicon carbide grinding block during the grinding process, high grinding efficiency, good self sharpening abrasive tool, workpiece surface is not easy to burn and polishing performance and good processing properties, it can be widely applied in the field of material surface processing.

树脂结合剂碳化硅磨块在磨削过程中磨削效率高、磨具自锐性好、被加工工件表面不容易烧伤和抛光性能好等加工特性，因此在材料表面加工领域得以广泛应用。

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Repeating Sharpening of the Twist Drill and Computer Simulation; spiral bevel milling cutter head sharpening machine

麻花钻钻尖的重刃磨技术及计算机仿真螺旋锥齿轮铣刀盘刃磨床

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In this paper, a mathematical model for CMFD with unsymmetrical two-sided chip-split groove is established to resolve the problem of grinding the drill with numerically-controlled sharpening of tool edge machine.

为了解决在数控群钻刃磨机床上刃磨出双边非对称分屑糟群钻，本文建立了双边非对称分屑槽群钻的数学模型。

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Spiral bevel milling cutter head sharpening machine Rotary Cutting Processing of Acme Screws and Their Cutting Tool Design

螺旋锥齿轮铣刀盘刃磨床梯形螺纹丝杆的旋风铣削工艺及铣刀的精确设计

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