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The calculation of relative variation of the negative feedback amplifier by differential method results in some errors under certain condition, so there was certain limitation in this method.
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摘要利用求微分的方法计算负反馈放大器增益的相对变化量，由于在一定的条件下计算出的结果存在一定误差，因而使用这种方法具有一定的局限性。 |
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The calculation of sea/land clutter power to airborne PD early warning radar is a hot and difficult problem of EW simulation.
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机载脉冲多普勒预警雷达海地杂波功率计算是电子战仿真研究的一个热点和难点问题。 |
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The calculation of stagnation point position of straight pipeline section with both movable ends and L-type pipeline section with bend at one end and bellows type expansion joint at other end is discussed.
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摘要探讨了两侧为活动端的直管段及一侧活动端为弯头，而另一侧活动端为波纹管补偿器的水平转角管段驻点位置的计算。 |
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The calculation of the area per customer of the store business hall is one of the main contents of the fire protection and evacuation design.
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摘要商店营业厅的顾客人均使用面积的计算是消防疏散设计的重要内容之一。 |
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The calculation of the method is simple and the method is suitable for the isolated system with the double-linear resilience curve.
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该方法的优点是计算简单且适用于双线性隔震系统。 |
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The calculation of the operational reliability is applied to Shanghai Rail Transit Line 1, Line 2 and Line 3.
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应用该方法计算了上海轨道交通1、2、3号线的可靠性指标。 |
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The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed.It is the matching stable problem for the different schemes in the different domains with different mesh size.After tracing the positio
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讨论在激波计算中的区域分解法，即在不同区域中应用不同网格及格式的耦合稳定性问题.先定出激波位置，再在激波附近小范围内，用低阶格式及人工压缩方法以消除弥散效应.在激波区域外，应用高精度格式，减少了过超振荡现象，提高了分辨率.在各区域交界应用全能稳定联接格式，解决了格式的耦合稳定问题.最后举出数值计算实例，计算结果与理论分析符合. |
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The calculation of the quantum chemistry shows the reaction mechanism of the condensation reaction.
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利狦量子化学计算方法讨论了该缩合反应的机理。 |
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The calculation of the sale price of export products should take into account the product cost, functional expenses, operational profits and drawbacks of the enterprise.
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出口产品销焦价格的核算不仅要考虑产品成本、业务费用、经营利润，还涉及到全业的退税收入。 |
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The calculation of the selection of the neutral-point earthing-transformer of the generator shows that the selection of its parameters should be matched with one-point earthing protection of the stator of its generator.
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通过采用一种简单实用的分析方法，研究岩坡位移引起的闸门扭曲变形及由此产生的附加应力，用调整背拉杆预应力来消除岩坡位移对人字门的影响。 |
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The calculation procedure and method of the piston leans towards the jar to the influence of life-span of the engine, taken farm transporter 375engine as an example, has been carefully introduced and quantitatively analyzed in this paper.
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摘要以农用车375柴油机为例、详细介绍和定量分析了活塞偏缸对柴油机寿命影响的计算步骤和方法。 |
