As a conclusion,the conception of sound resistance parameter was introduced to explain the sound absorption of porous materials.
引述了多孔吸声材料的圆管理论模型,引出声阻、声抗的概念,并对此进行了数学编程计算与分析；同时还从工程研究角度给出影响材料吸声性能的阻抗准数,应用该准数对材料的吸声性能进行解释和预测, 试图提供一种测量和计算材料吸声系数的新方法。
Discussion of the latest research activities in this area and applications of resistance and impedance metrology.
讨论在此领域的最新进展，以及电阻标准和阻抗标准的应用。
A more in-depth discussion of resistance and impedance standards, and how such standards are realized, represented and compared in metrology laboratories.
更深入地讨论电阻标准和阻抗标准，及如何在计量实验室实现、表达和比较这些标准。
Impedance Analysis and Topology Selection in Standardization for Middle Power Level DC/DC Converters;
中功率DC/DC变流器标准化模块阻抗分析与拓扑优选
three-terminal standard resistor
三端（钮）标准电阻器
four-terminal standard resistor
四端（钮）标准电阻器
standard damped least-squares method
标准阻尼最小二乘方法
Code for classification of seismic protection of buildings
建筑抗震设防分类标准
Objective To evaluate the accuracy and clinical use of cardiac index and ejection fraction derived horn transthoraccic electrical bioimpedance( TEB).
目的评价胸阻抗法测量心脏指数和左心射血分数两项指标的准确性及临床应用价值。
The Meaning and Calibration Methods with High-value Standard Resistor Voltage Coefficient
高值标准电阻器电压系数的意义及其校准方法
On Antislide Index and Standard of SMA Pavement
对SMA路面抗滑指标与标准的探讨
Calibration on target reliability index of anti-sliding stability for sluices in mountainous area
山区水闸抗滑稳定目标可靠指标校准
intrinsic impedance
内在阻抗;内阻抗;内禀阻抗;本征阻抗;固有阻抗
On the Inductance of the Calculable AC/DC Resistance Standard of Toriod Type;
用于计量标准的交直流电阻标准转换的电感计算
Prior to applying a gravity model, one has to calibrate the impedance function.
应用重力模型的之前，你应该先校准阻抗函数。
The Numerical Simulation of Quasi-Isentropic Compression Via Graded Impedence Flyer;
利用阻抗梯度法实现准等熵压缩的数值模拟
B1 grade with fireproof and burning retarding functions makes fire and water no chance to damage floor.
标准的B1级防火阻燃功能，使得地板水火不侵。
A Portable Precision Enclosure with High Temperature Homogeneity for the Standard Resistor;
电阻传递标准用可携式高精度空气控温箱
On the Standard of Material Retardation in Antidumping Law;
论反倾销立法中的实质性阻碍损害标准