1) equivalent imaginary source
等效虚源
1.
For prediction of noise transmited from a source of large area or volume,the point source model is not applicable,therefore an equivalent imaginary source method by experimental simulation is advanced.
通过实验拟合提出了等效虚源法,该新方法可简便准确地预测体声源和面声源在不同距离的影响声级;而对于室内混响窗外传声的声影响预测,采用该方法也会使测量和计算变得十分简洁方便。
2) Equivalent source
等效源
1.
The optimization of the equivalent source orders;
等效源阶数取值的优化选择
2.
The number and position and order of theequivalent sources employed have influence over the solution when the equivalent source method is applied to solve anelectro (or magneto) static filed.
首次在解的三维图形和等位线图形显示的基础上研究等效源的数目、位置安排和阶数取值对解的影响。
3.
This paper proposes a new-style equivalent source method(NESM),in which the number and position of all the ES can be determined and the field distribution in all subregions expressed as series form.
提出一种新型等效源法，该法中等效源的位置和个数可给以确定，由它产生的场分布可用级数表示，该方法克服了以前等效源的位置和个数只能凭经验决定的缺点，而成为一种科学的计算方法。
3) equivalent power source
等效电源
1.
Algorithm for short-circuit calculation of dendriform distribution network based on equivalent power source method;
基于等效电源法的树型配电网短路计算
2.
The key of making equivalent exchange lies in looking for equivalent resistance and equivalent power source.
对电路进行等效变换的关键在于寻找等效电阻和等效电源。
4) equivalent sound source
等效声源
1.
As to the high frequency range an equivalent sound source based on the energy theories was proposed for the acoustic modeling of engine compartment.
针对高频域的声场 ,提出了基于能量理论的等效声源法对轿车的发动机室进行声场建模 ,采用统计能量法 (SEA)理论对发动机室、发动机室底板及底板与地面空间系统进行声场建模和仿真。
5) equivalent source method
等效源法
1.
An equivalent source method for calculating 3 D eddy currents in the anisotropic medium is proposed.
提出计算各向异性媒质中三维涡流场的等效源法。
2.
Ia this paper, however, the equivalent source method is introducedinto the interpretation of the aarbmagnetic AT field to investigate regional tectonics.
等效源法曾被广泛应用于卫星磁异常解释,而本文是将等效源法引用到航空△T磁场的解释中,用其研究区域地质构造。
6) apparent source layer
等效磁源
补充资料：虚下
1.戏剧术语。谓剧中人在幕前做下场的动作﹐此时人虽还在台上但观众感到他已下场。 2.中医术语。通常指腰膝酸软无力﹐腹胀腹痛﹐四肢少温等下虚症状。
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参考词条