step-down

1. A step-down transformer has a turns ratio less than 1.
   降压变压器的匝数比小于1。
2. Low-voltage, precision step-down controller for portable CPU power.
   低电压，精密步进式便携式CPU电源控制器。
3. A step-down transformer can reduced a voltage to whatever value is desired.
   降压变压器能把电压降到所需的任何值。
4. Design of PWM Step-Down DC-DC Switching Converter
   PWM降压型DC-DC开关变换器的设计
5. Hypertensive to posture sex, general need not step-down medications.
   对于体位性高血压，一般不用降压药物治疗。
6. Dual High Efficiency, Noise, Synchronous Step-Down Switching Regulators.
   双高效率，噪声，同步降压开关稳压器。
7. Study on Step-Down Dynamic Process of Hydraulic Cylinder for Control Rod Hydraulic Drive Mechanism
   控制棒水压驱动机构水压缸步降过程研究
8. Power Transmission Model of Step-down Piezoelectric Transformer and Decomposition Analytic Approach for PT Converter
   降压型压电陶瓷变压器功率传输模型及其变换器撕裂分析法
9. Methods: the step-down test and Y-maze test were adopted.
   方法：采用小鼠跳台法和Y型迷宫法。
10. Research and Design of a Step-down DC/ DC Converter
    一种降压型DC/DC转换器的研究与设计
11. Fosinopril in the conclusion of the step-down at the same time, improve essential hypertension in patients with heart rate variability.
    结论福辛普利在降压的同时，可改善原发性高血压患者的心率变异性。
12. The secondary system consists of step-down transformers and secondary circuits at utilization voltage levels.
    二次配电系统是由降压变压器和满足最终用电设备电压等级的二次电路组成。
13. An Efficient AC Voltage Regulator with Voltage Step-up and Step-down Capability One winding with adjustable inductance. Right-click for adjustable mutual inductor.
    一种高效的输出电压可升可降的交流调压电路带可调电感的一匝绕组。右击指定可调变压器。
14. Design and Simulation Analysis of a New Electronic Step-down Transformer
    一种新型电子降压变压器的设计与仿真分析
15. With the advantages of simple structure, convenient regulation and high reliability, Buck DC/ DC converter is widely used in voltage step-down situation.
    DC变换器由于电路结构简单、调整方便、可靠性高等优点，在降压式场合一直得到广泛的应用。
16. An Efficient AC Voltage Regulator with Voltage Step-up and Step-down Capability
    三极管能升高电压。一种高效的输出电压可升可降的交流调压电路
17. Load sharing power to resolve the impact of the load can be taken step-by-step automotive equipment start-up or step-down descending order of frequency of start-up and other measures.
    解决加载大功率交流背载所带来的影响否以采取车载拆备开步逆序行动或许降压降频行动等办法。
18. The models of step-down transformers used for APF is thoroughly discussed in this paper.
    论文针对有源滤波器的级联变压器，深入地研究了变压器的谐波模型。
19. The second phase, or step-down phase, begins after stability of vital signs has been achieved and the major effects of anesthesia have dissipated.
    二期从病人生命体征已经稳定，主要麻醉效应已经消失开始。
20. Methods Forty-five mesiobuccal root canals in fleshly extracted nu a an molar teeth were instrumented by the step-back technique, the step-down technique or the passive step-back technique.
    目的对逐步后退法、逐步深入法、被动逐步后退法（超声波与手用器械联合应用）三种不同方法预备后牙细弯根管的根管清理能力及操作时间进行比较研究。
21. The study results show that the problem of over-high hydraulic indexes of the stilling basin of high head and large unit-width discharge can be solved with energy dissipator with step-down floor.
    研究表明跌坎型底流消能工能有效解决高水头、大单宽流量消力池水力学指标过高的问题。
22. The especially further perfect and flexible agricultural products transports a green channeling policy, the vegetable circulates cost effective step-down.
    特别是进一步完善鲜活农产品运输绿色通道政策，蔬菜流通成本有效降低。
23. Abstract: the principle, advantage and economic efficient of motor step-down start are introduced.
    文摘：介绍了电动机降压起动的原理、特点及所产生的经济效益。
24. Via considering to prove capillary artemisia is advantageous bravery solves heat and disease-resistant poison, protect liver, fall action of excretive of hematic fat, step-down, stimulative bile.
    经研究证实茵陈有利胆解热及抗病毒、保肝、降血脂、降压、促进胆汁分泌的作用。
25. This leaves a switching implementation, either a step-down buck or step-up boost topology.
    因此，我们只能选择开关式实施方案，或者采用步降降压拓扑，或者采用步进升压拓扑。
26. Discussion on setting calculation of 220 kV step-down transformer protection
    220kV降压变压器保护整定计算的探讨
27. Study on the design algorithm of thyristor-switched filters with step-down transformers is emphasized in the paper.
    论文主要对带有降压变压器的晶闸管投切滤波器装置的设计算法进行了研究。
28. A step-down DC-DC converter is analyzed and designed.
    本文分析、设计了一款电流反馈模式控制PWM单片DC-DC转换器。
29. According to the example of the synchronous step-down DC-DC converter, the eMPC controller of DC-DC converter is studied.
    本文以降压型开关模式DC-DC变换器为例，研究了DC-DC变换器的显式模型预测控制。
30. The step-up and the step-down principle of Charge Pump DC/ DC Converter Circuit are focused on.
    重点介绍了电荷泵电路的升压和降压工作原理。

noun

1. the act of decreasing or reducing something

   Synonym:    decreasediminutionreduction