计算机英语（第二版）课件chapter10.pdf

: .
Computer Scienan simple data characteristics as
represented in the previous example.
介词短语with advances in technology 作状语，表
原因／伴随。as represented in the previous
example 作定语，修饰主句所说的情况。II. Grammatical Notes to the Text
2. Encapsulation is then the technique for
packaging the information in such a way as to
hide what should be hidden, and make visible
what is intended to be visible.
介词结构for packaging the information in such a
way as to hide what should be hidden, and make
visible what is intended to be visible 作technique
的定语。其中as to 接一个宾语从句what should
be hidden，而what is intended to be visible 作
make 的宾语。这是一个make ＋宾语＋形容词
（宾语补足语）的结构，为了平衡句子而把较
长的宾语移到了形容词的后面。II. Grammatical Notes to the Text
3. Generalization/specialization is a
technique wherein the attributes and
behaviors that are common to several
types of an object classes are grouped
into their own class, called a supertype.
Wherein：关系副词，意思为“在哪方面”。限制
性定语从句that are common to several types of
object classes 修饰attributes and behaviors。II. Grammatical Notes to the Text
4. An object sending a message does not
need to know how the receiving object is
organized internally or how the
behavior is to be accomplished, only that
it responds to the request in a well-
defined way.
现在分词短语sending a message 修饰an object。
how the receiving object is organized internally 与
how the behavior is to be accomplished 为宾语从
句，作动词know 的宾语。only that 引导it 的状
语从句表示条件，其中的it 指的是an object
sending a message。II. Grammatical Notes to the Text
5. A behavior is an action that an object
performs or to which it is subjected.
that an object performs 与to which it is subjected
均为限制性定语从句，修饰an action。 : .
Computer Science in English