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Using the optimization control method of the moderm control theories,the time-varying control and output-feedback control the authors study the variable structure active control over the rotor vibration with SMA,especially the method of restraining the tr
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运用现代控制理论中的最优控制方法，引入时变控制和输出反馈控制，研究利用形状记忆合金对转子振动进行变结构主动控制，特别是抑制转子振动的瞬态响应的方法，得出了最优控制力和控制电流的强度变化规律；通过分析形状记忆合金动作器的结构，探讨了变刚度支承对系统总体刚度的影响，指出了传统设计方法的不足之处，特别是由压杆稳定性不足引起的失稳现象，并提出了改进的方法和在设计中值得注意的问题. |
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Using the population census data of Shanxi Province,this paper analyzes on the vocational structure of Shanxi Province from three angles of the change of vocational structure,the vocational distribution of industrial population and the cultural structure
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利用山西省人口普查数据,从职业结构的变化、行业人口的职业分布、各职业在业人口的文化构成等3个角度分析了山西省的职业构成,并提出了改进与优化山西省职业结构的建议。 |
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Using the power case toinsert into outlet which have switch then it will appear the sound of “B”.
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把电源箱体插入带有开关的电源插座上,此时会有”B”的声音. |
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Using the power of copyright law, free softwarenot only assures that it remains open, and subject to change, but that other software that takes and uses free software(and that technically counts as a derivative work) must also itself be free.
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借助版权法赋予的权力，“自由软件”不仅保证它保持开放，可以修改，而且其它拿来并使用“自由软件”的软件（这在技术上属于“派生作品”）也必须自由。 |
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Using the product on a long-term basis would keep skin moistening, healthy, tender and white.
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长期使用本品，可有效改善皮肤质地，使皮肤亮丽嫣红、细腻柔嫩。 |
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Using the recommended 30 seconds of percolation, a skilled barista (coffee bar technician) produces about 30 milliliters of dense coffee liquor covered by the all-important crema.
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用上一般建议的30秒萃取时间，有经验的咖啡吧师傅就能制作出约30毫升的浓缩咖啡，上头覆盖著一层重要无比的克丽玛。 |
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Using the regional trial data of Guangdong hybrid rice in 1994 and 1995, and regional trial data of national late hybrid indica rice in 1995 and 1996, by t test, variation coefficient and regress coefficient, analysis and compare with the fertility charac
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摘要利用1994和1995两年广东省杂交稻区域性试验资料以及1995和1996两年全国秈型杂交晚稻区域性试验资料，通过t检验、变异系数和回归系数分别对特优524和对照种（汕优63、汕优桂33）的丰产性、稳定性和适应性进行分析和比较，结果表明：特优524的丰产性、适应性均明显地优于对照种，而稳定性则次于汕优63，但好于汕优桂33，是一个较为理想的迟熟高产杂交稻新组合。 |
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Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion pa
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该方法利用了各阶运动参数对差波束回波谱宽度的不同贡献以及熵与谱宽度的关系，通过最大熵和最小熵分别对0阶和1阶以上角运动参数进行搜索，得到全局最优估计。 |
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Using the repetition data from the leveling circuit, which is composed of the spots at the measurement field in the Hefei Deformation Observatory and the base rock at the neighborhood of the measurement line, we estimate the degree of stability of each sp
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摘要以合肥形变台短水准测量场地各基岩点与检测线路端点（基岩）组成水准环线进行连测，利用重复观测资料，估算各点稳定度。 |
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Using the report as ammunition, profound reforms were pushed through by New York's then mayor, Rudolph Giuliani, and another alumnus, Herman Badillo (1951), America's first Puerto Rican congressman.
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纽约市当时的市长鲁道夫?丘里安尼以及同样是城市大学校友（1951届）的美国第一名波多黎各裔议员赫尔曼?巴蒂洛，利用该报告为导火索，对城市大学进行了深入改革。 |
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Using the residues from wood conversion of Acacia and Eucalyptus species as material, the molded decorative particleboard products were manufactured by two-stage process and the relationship between process parameters and properties of products were studi
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摘要以相思、桉树2树种的木材加工剩余物为原料，研究两步法刨花模压板的制造工艺以及各工艺参数与板材性能的关系。 |
