例句與造句

1. The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300 . optic microscope , sem , tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer , reveal the interdiffused performance of alloy elements at elevated temperature , and analyze the structure and composition of the precipitated phases . moreover , the tensile strength of welding line with the two different techniques and various welding parameters were carried out
   采用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀組織結構、高溫下nb - 1zr與不銹鋼合金元素的互擴散行為，形成的互擴散層的成分、金相組織和擴散層中的析出相的相組成和相結構等，都進行了較為詳細的分析，并且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。
2. It's difficult to find diffraction scattering in a sentence. 用diffraction scattering造句挺難的