焊核区晶内有少量位错.The dislocation density is low in the nugget zone.回顾和评述了晶内铁素体的发现、发展及其与组织控制的关系.The discovery and current advances of intragranular ferrite and its relation with microstructure control are reviewed.电子屏蔽理论分析表明,电场...
a free-form jazz improvisation自由创作的爵士乐即兴演出Most of their music was spontaneous improvisation.他们的大部分音乐作品都是即兴创作的.He coached the young man in the theatre and developed his power of improvisation.他辅导那位年轻人演戏,培养他的即席表演能力....
Carelessly,I knocked my teacup over and the tea went all over the tablecloth.我不小心把茶杯打翻了,洒得桌布上一塌糊涂。He carelessly bestrews the ground with biscuits.他不小心把饼干撒落了一地.She was fined £100 for driving carelessly.她因开车违章，被罚款100英镑。She...
引诱剂, 排斥剂还是其他的兴奋剂都是嗅觉物质, 但刺激剂和阻抑剂常常是味觉物质.Whereas attractants, repellents, and many incitants are olfactory substances , stimulants, and deterrents are usually gustatory.报道了家蝇引诱剂———诱虫烯的合成,该方法简单、便利,适用于工业化生产.The synthesis of...
They were comparing notes on each other's progress towards solving that most taxing of all puzzles: the riddle of the human genome.他们就解决人类所面临的最大难题，即人类基因组之谜的进展情况交换了意见。Genome - based Celera Genomics, the private compa...