本书有2000余条按字母排序的词目，是最综合性的单册莎士比亚百科全书，介绍莎翁其人其作品。
With over 2000 alphabetical entries, this encyclopaedia of Shakespeare is the most comprehensive one-volume resource on the man and his works.
对来自贵州省20个县（市）200余份稻瘟病标样上的146个单孢菌株采用生长速率法测定了稻瘟病菌对稻瘟灵的抗药性。
Growth rate method was used to test resistance to isoprothiolane (IPT) in 146 isolates of Mag napothe grisea, from more than 200 disease samples of 20 counties in Guizhou province.
本文在引入半环概念的基础上，介绍半环同态、同余关系、单同余半环等概念，讨论两个同态半环之间单同余性质的关系。
This paper introduces the concept of semirings, homomorphism of semirings and congruence simple semirings, discusses the relation between two semirings.
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