查询词典 exterior approximation

Use full Mie theory and Fraunhofer approximation.

采用完全米氏理论和弗朗霍夫理论。

The letters can of course only represent an approximation to the real sound, and the system is quite unlike the international phonetic alphabet or the Romanized systems used elsewhere in China.

当然，字母只能够模拟真实读音而已，而且该系统也同国际音标以及中国其他地方的罗马字系统差别迥异。

Based on the spectral model of Elfouhaily, the scattering coefficient of sea surface is calculated, and the theoretical results are compared with the experimental data and Kirchhoff approximation with or without shadowing effect considered.

基于Elfouhaily海谱模型，计算了海面的散射系数，将得到的理论计算结果和实验数据及考虑和不考虑遮蔽效应的基尔霍夫近似结果进行了对比。

Two examples are given to show the effectiveness of these two methods, and the results are compared with Legendre approximation.

最后通过2个实例验证了这2种逼近方法，并与Legendre逼近方法进行了比较。

In this paper, we present a different approach, in which an approximation to the complex exponentials of Legendre polynomials is combined with FFT to compute the NUFT.

该文提出一种通过将快速傅里叶变换与复指数的勒让德多项式展开结合起来计算非均匀傅里叶变换的新方法，该方法具有快速、数据不依赖的特点。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。