繞射橢圓 的英文怎麼說
中文拼音 [ràoshètuǒyuán]
繞射橢圓
英文
diffraction ellipses-
Abstract : by a discussion on k value, the radiographic technology for thebutt welds in standard elliptic sealing heads consistent with current standards and regulations is presented
文摘:圍繞k值展開討論,提出一種符合現行標準、規程要求的標準橢圓封頭拼接焊縫的射線探傷工藝。We organize it along the following lines : in chapter 1 we discuss the fixed boundary problem with elliptic equation or elliptic equations ( diffraction problem ) system
具體內容由以下三章組成:第一章我們討論的是具有固定邊界的橢圓型方程問題和橢圓型方程組問題(即繞射問題) 。
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