常見例句雙語例句The thesis is the first time to give the comprehensive and systematic study of quality control and quantification on Positron Emission Tomography imaging.本研究系統(tǒng)的研究了正電子成像的質(zhì)量控制和定量分析的若干問題。As the key facility of electromagnetic stirring welding technique, Sync-Magnetic-Controlling Device has directly effected on mechanics study and quality control in material processing.本文采用雙逆變技術(shù)研制了一種新型的能與焊接電壓或者電流頻率同步可控的同步磁控設(shè)備。As the key facility of electromagnetic stirring welding technique, the welding electromagnetic stirring device has direct effect on mechanics study and quality control in material processing.焊接磁攪拌裝置作為電磁作用焊接技術(shù)研究中的關(guān)鍵設(shè)備，對于材料加工過程的機理研究和質(zhì)量控制有著直接關(guān)系。 返回 quality study and control