spectrum n. (pl. -tra ) 1.【物理學(xué)】譜,光譜;波譜;能譜,質(zhì)譜。 2.【無線電】射頻頻譜;無線電(信號)頻譜。 3.【心理學(xué)】(眼睛的)余像;殘像。 4.〔轉(zhuǎn)義〕范圍,幅度;(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽光譜。 a wide spectrum of opinion 意見的不同幅度甚大。
Mutation spectrum analysis oftransglutaminase gene in streptomyces fradiae after irradiation by n ion 氟氏鏈霉菌離子束注入突變譜的分析
The specific nontargeted mutation spectrum is different from that of targeted mutation , whereas the mutation occurs at damaged dna site . furthermore , we have demonstrated that low concentration mnng exposure induced comprehensive cellular responses 進(jìn)一步地,我們還證明了低濃度mnng的作用下有廣泛的細(xì)胞反應(yīng),尤其是在信號轉(zhuǎn)導(dǎo)通路的激活和基因表達(dá)的改變的研究中取得了一些突破性的進(jìn)展。