例句與造句

1. Secondly , the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method , and a computer program is designed to calculate the extinction cross section , scattering cross section , absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle
   然后根據(jù)t矩陣方法，采用回轉(zhuǎn)體微粒消光特性的計(jì)算模型編制出的相應(yīng)程序，對(duì)固定取向和隨機(jī)取向的非球形回轉(zhuǎn)體微粒的消光截面、散射截面、吸收截面及散射相函數(shù)進(jìn)行了計(jì)算。
2. It's difficult to find scattering cross section in a sentence. 用scattering cross section造句挺難的
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