UNIT 1 同位语跟在所修饰的名词之后,可表示相同的事物或人,也可对 该名词进行说明。同位语与所修饰的名词之间可以用各种标点符 号隔开,这时同位语可以对标点符号前的整个句子进行说明 x PCM is dependent on three separate operations sampling, quantizing, and coding Substances fall into three groups conductors semiconductors and insulators. x The laser is able to amplify light one unique property. x(9-4) can only be applied provided that the unsaturated gain coefficient exceeds the losses a necessary requirement for oscillation. 这里列举了同位语位于句尾,修饰最后一个名词或整个句子的情 况。还有其它的情况,课文中遇到时在讲
UNIT 1 同位语跟在所修饰的名词之后，可表示相同的事物或人，也可对 该名词进行说明。同位语与所修饰的名词之间可以用各种标点符 号隔开，这时同位语可以对标点符号前的整个句子进行说明。 PCM is dependent on three separate operations, sampling, quantizing, and coding. ＊ Substances fall into three groups: conductors, semiconductors and insulators. ＊ ＊ The laser is able to amplify light ⎯ one unique property. (9 -4) can only be applied provided that the unsaturated gain coefficient exceeds the losses , a necessary requirement for oscillation. ＊ 这里列举了同位语位于句尾，修饰最后一个名词或整个句子的情 况。还有其它的情况，课文中遇到时在讲
介词短语 for doing something作后置定语,表示目的,意思为用 于.的。 k algorithms received signals 大 Schemes these three functions have evolved, and shall describe the main ones. 次这里的ones是代词,避免重复。 x A working equation expresses the unknown quantity in terms of the known ones. x These equations are called differential equations, and now their study forms one of the most challenging branches of mathematics
介词短语 for doing something 作后置定语，表示目的，意思为用 于的。 Schemes for performing these three functions have evolved, and shall describe the main ones. ＊ ＊ algorithms for decoding received signals ＊ 这里的 ones 是代词, 避免重复。 A working equation expresses the unknown quantity in terms of the known ones. ＊ These equations are called differential equations, and now their study forms one of the most challenging branches of mathematics. ＊
We shall see how a speech channel be conveyed as a series of amplitude values, each value being represented as a sequence of 8 binary digits. 大分词短语出现在句尾,用逗号隔开,表示伴随 情况说明,非常常见。 大这时分词短语的逻辑主语经常省略。 大被省略的逻辑主语多数情况下指的是主句的主 语或逗号前整个句子的含义,点也有少数列外。 具体情况以后结合课文讲解
We shall see how a speech channel be conveyed as a series of amplitude values, each value being represented as a sequence of 8 binary digits. 分词短语出现在句尾，用逗号隔开，表示伴随 情况说明，非常常见。 ＊ ＊ 这时分词短语的逻辑主语经常省略。 被省略的逻辑主语多数情况下指的是主句的主 语或逗号前整个句子的含义，点也有少数列外。 具体情况以后结合课文讲解。 ＊
大Itis.that( which,when,who)….强调句型,如 It is the document that is very important. It was Faraday who first discovered electromagnetic induction 大 known as the signal-to-- noise ratio过去分词短语作 后置定语,常见,译为称之为 。 大 of the most interest to…,对.最感兴趣的 of interest interesting of importance important
＊ It is that (which, when, who) 强调句型，如 It is the document that is very important. It was Faraday who first discovered electromagnetic induction. known as the signal-to-noise ratio 过去分词短语作 后置定语，常见，译为 称之为。 ＊ of the most interest to , 对最感兴趣的 of interest = interesting of importance = important ＊
名词+逗号+同位语+逗号进行说明 An American. Edison invented the first small electric lamp. k g, the acceleration of gravity at the earths surface, has the value 32 ft/sec2
名词＋逗号＋同位语+逗号 进行说明 An American, Edison, invented the first small electric lamp. ＊ g, the acceleration of gravity at the earth’s surface, has the value 32 ft/sec2. ＊