查询词典 inversion problem

Next, in chapter 3, we compare the current densities in inversion region and accumulation region of the RTO oxides with and without ANO-DAC. We found that the leakage current in inversion region is smaller with ANO-DAC compensated, but the current density lowering is slower with time past.

接著，在第三章我们对无阳极氧化与经过阳极氧化补偿后的氧化层做比较，比较在反转区与聚积区的电流密度，发现在阳极氧化补偿后反转区虽有比较小的漏电流，但随著时间经过，电流降低速度比较慢。

A field inversion is the most expensive operation on scalar multiplication, and the number of inversion determines the performance of scalar multiplication.

求逆是标量乘法中最耗时的运算，求逆运算次数的多少直接决定标量乘法的性能。

The predictions are identical with that of foreign underwater acousticexperiments.The third,the scattering theory are applied in prediction of seareverberation and inversion of sea bottom parameter.Shallow-sea monstaticreverberation is predicted by combining shallow-sea normal mode theory withscattering theory.Then with simulated annealing of neural network and scatteringtheory accurate inversion of sea-bottom parameter and surface roughness are given.

第三，把散射理论应用于海洋混响的预报和海底介质参数的反演，首先通过浅海简正波理论和散射理论相结合，对浅海单程混响进行了预报；然后利用神经网络理论中的模拟退火法和散射场理论相结合，准确地反演了海底介质参数和表面粗糙度。

After a multi-scalar analysis of Bouguer gravity, related physical property inversion and geological structural inversion along representative profiles, 3-D velocity tomography of seismic data from stationary network of seismography stations and NEIC reports, the study of epicentral distribution and geological data were carried out in order to perform this integrated research.

对研究区布格重力数据进行多尺度分析和典型剖面的物性与结构反演，并利用中国固定地震台网、NEIC等记录到时与波形资料对研究区进行三维波速成像，结合震中分布及地质学方面的数据资料开展综合研究。

A first inversion triad, expressed numerically as a 6-3 chord, has its original middle note as its bass, with the original top note a third above it and the original bottom note, the root, a sixth above it. Thus the tonic triad of C major is C-E-G in root position, and E-G-C in first inversion.

三和弦第一转位用数字6-3和弦来表示，以原中间音为低音，原最高音为其上的三音，原最低音，根音，为其上的六音。C大调主音三和弦在原位为C-E-G，第一转位为E-G-C。

We discuss the feasibility of the inversion condition and the uniqueness of the inversion result.

相比VTI介质，ATI介质中增加了对称轴倾角与方位两个参数，问题的复杂性可以通过方位变化的非双曲时距来解决。

The method is called apparent density inversion. The inversion technique overcomes drawbacks of long computation and unstable solution, it takes less than 20 seconds to compute a density data set of 128 ×128×10 points on a PC of 1.99 GHz. The method is demonstrated on synthetic models and on real gravity data

本反演方法克服了传统已有方法计算时间特别长、解稳定性差的缺点，在主频1.99 GHz的微机上，反演128×128×10个密度值的计算时间小于20 s，理论模型和实际资料的应用表明反演具有较好的效果。

Preparation of poly(vinylidene fluoride-co-hexafluoro propylene)-based symmetric microporous membranes by a dry/wet phase inversion method ;2. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and EE as additive.

通过改变铸膜液中添加剂乙醚的含量，采用相转化法在平板刮膜机上制备了一系列超滤膜，考察了添加剂乙醚含量对铸膜液黏度、凝胶速度、膜性能和结构的影响，研究了PES-C/DMAc体系中添加剂乙醚作用的规律。

Since the well-log data interpretation is a basic step of the joint inversion, the paper studied the inversion algorithms of two-type problems of lithology and reser voir parameters using well-log data by ANNs and examined the advantages and practi cality of the technique with a large amount of real data.

考虑到测井资料是联合反演中的基本的一步，本文研究了应用人工神经网络根据测井资料预测岩性和储层参数这两类问题的数据驱动的反演算法，并以大量的实际资料处理结果，证实了该方法的实用性和优越性。

Results:①The electrotonic modulation of T wave inversion was V1~V2V5~V6 in the right ventricular apical pacing group, and with T wave inversion in leads Ⅱ,Ⅲ, aVF, and without ST segment changes.

对74例由不同原因所致右胸导联T波倒置患者常规12导联心电图T波倒置的分布规律、倒置的深度以及是否同时伴有ST段改变、其它导联的T波倒置及其演变过程进行分析。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。