periodic low
英 [ˌpɪəriˈɒdɪk ləʊ]
美 [ˌpɪriˈɑːdɪk loʊ]
【电】周期律
双语例句
- The periodic inventory system is likely applied to a business that sells a variety of merchandise with low unit price, such as a drugstore, groceries or hardware store.
出售各种单位价值较低的商品的企业，例如，杂货店、水果店或金属器具商店最适于采用定期盘存制。 - The results show that the reflection coefficients of the viscoelastic layer with periodic cavities are bigger than that without cavities at low frequency.
结果表明，在低频，水中有空腔的粘弹性层比无空腔的粘弹性层有较大的反射； - We use periodic Anderson Model Hamiltonian to explain the change of the low-temperature-specific heat of heavy-fermion compound CeAl_3 in low pressure range.
我们采用周期性Anderson模型哈密顿量解释了在低压下重费密子系统CeAl3的低温比热随压力变化的实验结果。 - The generalized chirp-like ( GCL) sequence has the ideal periodic auto-correlation function, optimum periodic cross-correlation function and low peak-average power ratio ( PAPR). Therefore, GCL sequences are used as training sequences to estimate each user 'timing offset.
广义线性调频序列（GCL）具有理想的周期自相关特性、最优的互相关特性和低峰均功率比特性，因而被用作训练序列来估计每个用户的时间偏移。 - The fault characteristic periodic signals of the rolling bearing are in low frequency band and often buried in the noise.
反映滚动轴承故障的特征周期信号处于较低频带内，容易被噪声淹没，难以检测。 - The periodic structure of superlattice was demonstrated by TEM and low angle X ray reflection spectra.
通过透射电镜的照片可以看出SiO2和Si膜具有均匀的周期结构，用低角X-射线反射谱表征了超晶格的周期结构和各层的厚度。 - The controllable pulsating combustion has very strong effect on intensifying the combustion and heat transfer for its periodic violent gas flow turbulence, and is a clean combustion technology with low emission of pollutants NO_x and smoke.
可控脉动燃烧因其周期性的强烈气流扰动，有很强的强化燃烧、强化传热作用，而且NOx和烟尘排放低，是一种清洁燃烧技术。 - A New Method to Reduce the Periodic Speed Ripples of Air-Conditioners in Low Speed Range
一种减小变频空调压缩机低速范围内转速脉动的方法 - Hypertension and hypokalemia were present in all cases. Periodic paralysis, nocturia and low specific gravity of urine were other important clinical features.
主要临床表现为高血压、低血钾、周期性麻痹，夜尿多、低比重尿为本病特征之一。 - Stable T periodic and 2T periodic pulses have been achieved under the low pump power with the CW pumping mode.
在连续的较低的功率泵浦下，实现了激光器的单倍和双倍周期的自持脉冲输出。 - Nowadays the sluggish transformation of periodic markets in rural areas is due to the following reasons: rural residents 'income and consumption standard are comparatively low;
今天中国乡村集市转型的迟滞，一方面是由于乡村居民收入和消费水平相对低下； - This paper presents a design and realization for a DSP based on real time low SNR periodic signal extracting system for low SNR signals.
本文介绍了一种基于DSP的低信噪比周期信号实时提取系统的设计和实现。 - Large-eddy simulation of periodic wake/ laminar separation bubble interaction under low Reynolds number conditions
低雷诺数下周期性尾迹/层流分离泡相互作用的大涡模拟 - Analysis of Several Kinds of Periodic Oscillation of the Low Level Wind Field in Tropical Region
热带地区低层风场几种周期振荡的分析 - In such specimens prepared with the technique, an unexpected periodic compositional modulation in the fine low-dimensional structure named "Fine Low Dimensional Modulated Fringes" of GaAs/ AlGaAs multilayers grown by MBE are observed.
利用这一技术制出的样品，用TEM观察到了GaAs/AlGaAs超晶格结构中周期性的精细成分调制的新现象。 - Study on the Analysis of "Type 20" periodic Pattern of Low Temperature during Autumn Season in Fuzhou and Its Application
福州20型秋季低温的周期图分析及其应用研究 - Then the spacecraft transfers from parking orbit to target periodic orbits associated with librations point, and escapes from unstable invariant manifold associated with the system to achieve interplanetary flight with low energy.
然后，由停泊轨道向动平衡点目标周期轨道转移，利用该系统的不稳定流形逃逸以实现低能量的星际飞行。 - Turbine blade will vibrate under the periodic exciting force of the steam, which will lead to the high frequency and low frequency fatigue failure.
叶片可能在因气流的周期性扰动力作用下发生异常振动，从而导致高周或低周疲劳失效。 - In the uniform fluidized bed, Effects of vibration amplitude and frequency on the distribution of particle concentration, bed pressure drop, are discussed. Simulation results show that vibrated distributor results in a periodic low concentration region of particles on the surface of the distributor.
对于均匀进气流化床，研究振幅和振动频率对颗粒浓度、床层压降等的影响。 - The experiment proves that this model can detect weak periodic signals of low input SNR. Lastly, the thesis constructs the transient signal detection model based on chaos theory.
实验证明该模型能检测到较低输入信噪比下的微弱周期信号。最后，根据混沌背景预测理论建立水下瞬态信号检测模型。 - In this paper, the technique of constant temperature anemometry, together with double-hot-wire-sensor probe, is used to carry out experimental study on the turbulent boundary layer, which is controlled by periodic blow-suction disturbance in the low turbulent level wind channel.
本文应用热线测速技术，对风洞中平板湍流边界层壁面施加周期性吹吸扰动进行了试验研究。 - At sampling phase, analog signal is input into multichannel simultaneously. It is multiplied with a band periodic signal, then the output is filtered by low pass filter, finally sampling is implemented at a low frequency rate.
在采样阶段将模拟信号同时输入多信道，同周期信号相乘，再经过低通滤波器进行滤波，以一个较低的频率进行均匀采样。 - But in the course of flourishing development, because its periodic rule of development and influence of the external factors, the shipping market will present the stages of the climax and low ebb too.
然而在蓬勃发展的过程中，由于其周期性的发展规律和外界因素的影响，船舶市场也会出现高潮和低谷的阶段。 - Currently, there are some methods to realize the miniaturization of planar microwave devices, such as adopting periodic structures with slow-wave characteristics, low temperature Co-fired Ceramic ( LTCC) technology and so on.
目前，实现平面微波器件小型化的方法包括：采用具有慢波特性的周期性结构以及低温共烧陶瓷技术（LTCC）等。 - The traditional rural periodic market is a kind of local market with its main function of satisfying peasants 'productive needs and needs of daily living, and the risk is low in these markets.
传统乡村集市是一种本地市场，以满足小农的生产和生活需求为主要功能的，风险相对较低。 - Photonic crystal is a periodic arrangement of two kinds of high and low refractive index optical materials, which has a unique physical property-photonic band gap.
光子晶体是由两种高低折射率介质周期性排列的光学材料，它具有独特的物理性质&形成光子禁带。 - In this dissertation, the band gaps mechanism, especially low frequency band gaps mechanism of periodic structures was studied and the key factor that influences the low frequency band gaps mechanism is found and proved.
所以本文围绕周期结构的带隙机理，特别是低频带隙机理进行了深入研究，揭示其影响带隙有效衰减特性的关键因素。