In the Middle Ages the term "drab" denoted a very simple type of woollen cloth which was used by peasants to make their clothes.中世纪时，drab（“本色布”）一词指的是一种农民用来制衣的非常普通的羊毛织物。The union of two sets A and B is denoted by AUB.两个集合...
The clauses have different relations which are often denoted by correlatives.各分句之间可以有各种不同的关系,常用关联词表示.The union of two sets A and B is denoted by AUB.两个集合A和B的并,用AUB表示.In the Middle Ages the term "drab" denoted a very simp...
凸凹不平的石墙就像一条很深的运河的河岸。The rough rock walls were like the sides of a deep canal.在这片以石墙隔出巴掌大的农田的乡村，驴子比汽车还多。Donkeys outnumber cars in this landscape of tiny stone-walled fields.有20人被倒塌的石墙砸伤。Twenty people were injured by falli...
变压器可在两个晶体管之间隔离直流 偏压.The transformer isolates the transistors with regard to d - c bias voltage .正向信号则使它的正向偏压减弱.The positive - going signal subtracts from the forward bias of the lower transistor.当正向偏压足够高时, 扩散电容很容易超过空间电荷压...