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The system has not only similar function to the traditional ACDCAC variable frequency system, but also compact structure, small volume and light weight. It can shape the input current into sinusoidal wave, with no harmonic pollution to grid.

其功能类似于传统的变频调速系统，而其结构紧凑，体积小，重量轻，并且输入电流为正弦波，对电网无谐波污染。

Lost foam process is one of the most advanced casting crafts, and it can be applied in different materials, sizes castings such as steel ,iron, aluminum castings.High-quality of casting with precise size and smooth-faced; no special requirement for material; reduced trimming work and mechanical processing; Fewer inner flaws, and more compact structure.Environmental-protecting. Working conditions could be improved greatly; at the same time reduced labor intensity and decreased energy consuming could also be achieved.

消失模铸造工艺充分汇集了实型、法铸造工艺的优点为一体适应于钢、铁、铝等各种牌号各种材质不同结构的大、中、小型各类铸件利用干砂固型复制原型原样铸件几何尺寸的精密度高无飞边、毛刺、冷隔均匀一致表面光洁度接近精密铸造铸件内部结构稳定排除了砂眼、气空、缩松等铸造缺陷该工艺充分利用了环保理念且投资少整个生产过程没有污染。

FEET : Of the snowshoe type, tight and deep, with well-cushioned pads, giving a firm, compact appearance.

英尺：在雪型，紧密和深入，与良好的缓冲垫，提供一个稳固的，紧凑的外观。

The feet are of the snowshoe type, tight and deep, with well-cushioned pads, giving a firm, compact appearance.

该脚的雪鞋型，紧凑和深厚的，受过良好的缓冲垫，提供一个稳固的，紧凑的外观。

The substitution is made of the interval wavelet basis for the compact one in order toproduce the basis of Sobolev space with the lower condition number,which will improvethe speed and the accuracy of the linear system made by wavelet Galerkin method.

我们在小波Galerkin法中用区间小波替代J.Xu用的I.Daubechies的紧支正交小波来生成Sobolev空间及H1的小波基，使基的相关性大大减小，进一步使刚度矩阵的条件数减少，从而提高了线性方程组求解的速度和精度。

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

Its compact size makes it the ideal solution when counter space is limited.

其紧凑的大小使它成为柜台空间受限时理想的解决办法。

Sound Blaster MP3+ has a small price-tag and compact size to match, but it's big in quality and features, as users have come to expect from Creative Labs.

其价格平易近人、体积小巧，品质和功能方面保持了创新一贯的高水准。

Its oxide scale is compact and complete, and no spallation can be observed.

研究认为，Ti-48Al-2Cr-2Nb在1123K燃气环境中所表现的较强抗氧化能力主要是合金元素Cr和Nb的添加以及外在氧化条件的影响。

A simple and efficient compact fourth-order Poisson solver in cylindrical and spherical coordinates is presented.

在这篇论文里，将会介绍三维 Poisson 方程在圆柱及球座标下简单且有效率的四阶紧致解法。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。