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Based on the analysis of some configurations of the lossless snubber circuit, a lossless snubber circuit topology is proposed, corresponding theoretical analysis, simulation and experiment on IGBT is carried out.

在对已有的无损耗缓冲电路分析基础上提出了一种适用于IGBT的谐振无损耗缓冲电路的拓扑结构，并进行了理论分析和实验研究。

Based on the conclusions of passive control and stable conditions of the coupled system, the passive stability configurations of solar sail on displaced solar orbit and at artificial Lagrange point are designed.

被动控制要求太阳帆的法线方向与太阳光之间的夹角保持不变，此时太阳帆的轨道总是稳定的且其轨道参数由太阳帆的初始角动量唯一确定。

The influences of impeller types, baffle configurations and gas sparger on critical speed of floating particle in an agitated vessel were investigated.

考察了釜径为386mm的搅拌釜内搅拌桨的类型、挡板和气体分布器等对自浮颗粒三相体系搅拌混合临界搅拌转速的影响，得到了回归的关联式：Ncr=CVSawbdcdSe，相对误差为3.34 %～11.58 %。

New vehicle configurations will spawn new vehicle categories to meet a growing number of customer needs.

新的车型将会导致新的汽车分类以满足顾客不断增长的需求。

The phase diagram of spin configurations of the two - sublattice system are derived by both the mean field theory and the spin wave theory. The effect of the anisotropies of the two sublattices on the spin waves is discussed.

用自旋波量子理论解析导出双亚点阵系统的自旋织构的相图，比较了自旋波理论和分子场理论导出的结果，分析了不同磁晶各向异性对自旋波的影响。

In stereoisomerism, substances with the same atoms are bonded in the same ways but differ in their three-dimensional configurations.

第二种类型是立体同分异构体，具有相同原子的物质以相同的键合方式结合，但它们的三维构型不同。

In stereoisomerism, substances with the same atom s are bonded in the same ways but differ in their three-dimensional configurations.

第二种类型是立体同分异构体，具有相同原子的物质以相同的键合方式结合，但它们的三维构型不同。

Pattern perception, for instance, is poorly developed so that an extremely large array of stimulus configurations may serve to elicit a certain behavior sequence, and thus there is little specificity in stimulability.

模式的知觉，例如，发展不足以致於，这样一个相当大的阵列配置的刺激可能有助於引起某些行为排列，因此很少有特异性的刺激反应。

By means of analytical and numerical calculations,the spin reorientationtransitions in sublattice magnets(including one-sublattice and two-sublattice magnets)and the spin configurations in magnetic films have been systematically studied.

本文借助于解析求解和数值计算的方法，系统地研究了亚点阵磁体(包括单亚点阵和双亚点阵磁体)中的自旋再取向转变和磁性薄膜系统中的自旋组态。

Keywords: Rare earth; Compounds; Magnetism; Two - sublattice; spin configurations

中文关键词：稀土；化合物；磁性；双亚点阵；自旋织构

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。