The changes in variable speed drive technology for electrified railways are summarized.
概述电气化铁路用可变速传动技术的变迁.
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Elastic loads of variable speed drives lead to elastic vibration some times.
弹性负载会导致调速系统弹性振荡,抑制扭振是调速传动的重要课题之一.
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矢量控制使交流调速系统的性能产生了质的飞跃.
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简介一种车辆用差动齿轮式无级变速机的齿数计算方法.
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但是各国之间从以知识为核心的培训转变为以竞争力为核心的培训的转变速度却各不相同.
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建议 长期 投资者侍机介入, 分享公司即将迎来的 高速 成长收益.
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The color code of computer photoelectric automatic track. Speed adjusting of frequency conversion.
100%包装率,无空包,电脑光电色标自动跟踪, 变频调速.
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其中的一种型号是以低空低速飞行器为目标,如直升机.
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Self-controlled stroke drilling head, the Spindle speed-reducer is imported from Germany.
自控 行程钻削动力头, 配备德国进口专业主轴减速电机.
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A good dynamic stability is the basis of multiple cut on machine high wire travelling speed.
良好的电极丝动态性能是高速走丝多次切割加工的基础.
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High speed , high gain CMOS operational amplifier ( OP ) is treated in this thesis.
本文主要研究了高速高增益CMOS运放的设计以及运放的自动综合问题.
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High speed handpiece is also called air turbine handpiece. we have many different types and models.
高速手机也被称为空气透平手机. 我们有许多不同类型和型号.
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He began to get the knack of cycling one-handed , and increased his speed.
他熟练地 单手 扶把骑着车, 加快了速度.
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而且你必须一路减速——即使是一点点的侧向速度,你都会错过太阳,飞驰而过,而不是撞上它。[qh]
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The speed and exactness with which you copy the system will in large determine your success.
如果能够越快越准确复制他们的模式,你亦能像他们一样越快成功。
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This will provide a basis for the design of high-speed railway subgrade over soft soil.
为真空联合堆载预压法在 高速 铁路深厚软土路基上的设计和应用提供了依据.
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