spectrum的例句大全

Fungal infections usually develop after broad-spectrum antibiotics have had time to reduce the competing bacterial flora.

真菌感染常发生于长期应用广谱抗生素将其他竞争菌群抑制之后。

The spectrum of transport operator in inhomogeneous sphere with generalized reflection boundary condition

具广义反射边界条件的非均匀球介质迁移算子的谱

A Novel Quantum Confined State and PL Spectrum in Porous Silicon

多孔硅中的新量子限制态和PL光谱

On the basis of historical records of maintenance and operation, abnormal vibration of DH air compressor was analyzed using frequency spectrum analysis method. It was found that the rust was washed off from interstage cooler into the flow passage of impeller to cause imbalance.

结合历次检修及运行记录，利用频谱分析方法对DH型空气压缩机的异常振动进行分析，判定出产生振动异常的原因为级间冷却器的锈蚀物冲刷至叶轮流道上造成不平衡。

Research on Application of Low/ Zero Correlation Zone Sequence Pairs in Spread Spectrum Communication System

低/零相关区序列偶应用于扩频通信系统的研究

When the values measured by the infrared spectrum are compared with the results of chemical analysis, it is found that both of them are in normal correlation, and the errors are confined in allowable range.

用红外光谱测定的值与化学分析结果相比，两者是正相关关系，误差在允许的范围内。

Correlative study on the change of blood flow spectrum of hepatic vein and the degree of fatty liver

不同程度脂肪肝的肝静脉血流频谱变化

Cortical inhibition is reduced in chronic and episodic migraine and demonstrates a spectrum of illness

慢性和发作性偏头痛患者的皮质抑制减少和所表示的疾病谱

Doppler dispersion estimation algorithms based on LTE is studied. The maximum Doppler shift estimation method through Doppler power spectrum is simulated by computer simulation. The algorithm performance is checked under Rayleigh and Rice channels.

以LTE系统为基础，深入研究高速移动场景下物理层多普勒频散估计算法，对通过计算机仿真检验基于多普勒功率谱的最大多普勒频偏估计方法在瑞利、莱斯信道下的性能。

A design of spread spectrum and ranging code in radio measurement and its control system are given in the paper.

本文给出了无线电测控系统中扩频和测距编码的设计方法。

Currently most satellite navigation systems utilize the spread spectrum communication technology to transmit navigation information, and the commonly-used PRN ranging code is the balanced Gold code.

目前的卫星导航定位系统大多采用扩频通信技术来传输导航信息，常用的伪随机码是平衡Gold码。

Methods: According to the four standards of the safety, broad-spectrum, relatively unexpensive and unsubstituted, letter-investigations were carried out among 79 county family planning clinics in 24 provinces of the country.

方法：按照安全性、疗效广谱、药价相对低廉、难以替代4项标准，采用函调方式，在全国24个省份所涉79个县级计划生育服务站中进行。

Spectrum and critical coupling constant of massless thirring model

无质量Thirring模型的能谱和临界耦合常数

Study on random wave force spectrum and structural fatigue cracking propagation

随机波浪力谱及结构件裂纹扩展研究

Real Time Simulation and Wave Spectrum Analysis for Random Sea Wave of Long-crested Wave

长峰波随机海浪的实时仿真和频谱分析

However, in far-end crosstalk, its sub-channels exist still a lot of frequency spectrum overlapping and increase error-rate.

在远端串扰时，其各子信道仍然存在着较大的频谱重叠，使误码率增加。

X-ray diffraction spectrum of L2_1 structure accords with that of face-centered cubic structure; Martensite is body-centered tetragonal structure ( 5M).

合金的母相为L21面心立方结构，马氏体为五层体心四方结构。

Strict Analytical Solution of Phonon Spectrum in Three-dimensional Face Centered Cubic Crystal

三维面心立方晶体声子谱的严格解析解

The absolute determination of cumulative yield of several nuclides from thermal neutron and fission spectrum neutron induced fission of~ ( 235) u

热中子和裂变谱中子诱发~（235）U裂变时几个核素累计产额的绝对测量

Polyvinyl alcohol ( PVA) in the 8 ≤ pH ≤ 12 aqueous solution has the effect solubilizing the cupric hydroxide and making a red shift of its absorption spectrum. It was as a consequence of inclusion-forming substance composed of PVA with cupric hydroxide.

在8≤pH≤12水溶液中的PVA具有使初生态氢氧化铜增溶和吸收光谱红移的作用，这是它们形成包合物的结果。