low-frequency的例句大全

DC/ DC Converter Low Frequency Noise and its Measuring Technique

DC/DC变换器低频噪声及其测量技术

Clinical study of treatment of primary osteoporosis by low frequency pulsed electromagnetic fields

低频脉冲电磁场治疗原发性骨质疏松症的临床研究

The thermal designing methods of the low frequency of the electronic equipment

电子设备低频机柜的热设计方法

High and low frequency instruments for measuring impedance of skin

高频及低频皮肤电阻测量仪

Continuous Current Circuit Applied to Improving Low Frequency Characteristic of Stepping Motor

改善步进电机低频特性的续流回路方法

Ice cover in certain wire with often occur dance, it is a kind of low frequency, the large amplitude of self-excited vibration.

覆冰导线在一定风速下将会产生舞动，舞动是一种大振幅、低频率的自激振动。

The base and emitter transit time increase and the cutoff frequency decreases at low temperature due to the trapping effect of shallow energy level impurities.

而由于浅能级杂质的陷阱效应，低温下基区和发射区渡越时间变长，截止频率下降。

A Study on Wearing Capacity of Twist Drill and Chip Breaking Under Low Frequency Vibration

低频振动钻削的工具磨损和断屑问题研究

The uses of thermosetting resin have problems of low toughness, short corona resistant time, lower breakdown strength filed on adhesive and impregnating varnish aspect. This restricted its use on high voltage electromotor and frequency conversion system.

目前热固性树脂在绝缘粘合剂和浸渍漆方面的应用存在着韧性低、耐电晕时间短、击穿场强低等问题，这就限制了其在高压电动机及变频调速系统绝缘中的广泛应用。

Feature: Excellent insertion loss and return loss, Frequency response width, Low loss.

特点: 具有极佳的插入损耗和回波损耗, 频率响应宽, 损耗低等特点.

The Application of Digital Low-frequency Power Supply in TKD-A Electrical Control System

数字低频电源在TKD-A电控系统中的应用

The theory of Quasi-periodic Oscillation ( QPO) in Low-mass X-ray Binaries ( LMXB) is discussed in this paper. Beat-Frequency Models ( BFM), including development, are presented in detail.

本文简略地叙述了低质量X射线双星中准周期振荡（QPO）现象的理论解释，对其中的差频模型（BFM）和它的一些发展作了较为详细的介绍。

OEO has many attractive proper-ties of ultra low phase noise, high spectral purity, high frequency, high stability. It can be widely used in microwave systems and fiber communication systems.

光电振荡器具有超低相噪、频谱纯、工作频率高和稳定度高的特点，可广泛应用于微波系统和光纤通信系统。

The physiological and psychological effects induced by noise, especially low frequency noise ( LFN), have been a hot research topic in the field of environmental noise.

环境中噪声特别是低频噪声对人的心理和生理影响近年来成为环境噪声领域研究的热点。

The monsoon strength is weaker during the Early Pleistocene and displays high frequency, low amplitude changes with 20-40 kyr cycles.

在早更新世，季风较弱，变化周期短，变化幅度小，表现为2～4万年的周期；

Objective To observe the effect of low frequency ultrasound therapy on lumbago from soft tissues injury.

目的观察低频低强度超声对软组织损伤性疼痛的治疗作用.

If the input signal is super imposed with high-frequency noise , use a low-passed filter.

若输入信号伴随 高频干扰, 应在线里用高频过滤器.

The low frequency dielectric properties at different atmosphere were reversible, using oxidation-reduction experiment.

通过氧化还原试验,发现了低频时的介电特性在不同气氛下是可逆的.

This paper analyses the electromagnetic radiation with very low frequency caused power-supply wiring of household appliances.

本文讨论了家用电器馈(电)线所产生的“特低频电磁辐射”问题.

Conclusion The low-temperature plasma radio frequency treatment for OSAHS complicated with allergic rhinitis is easy, safe and efficient.

结论低温等离子射频治疗OSAHS合并变应性鼻炎疗效较好。