中英释义：
双语例句
当提及类的打开关闭原则，它可以通过抽象类和实体类实现行为的方式来确保。
When referring to the classes Open Close Principle can be ensured by use of Abstract Classes and concrete classes for implementing their behavior.
重点词汇
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打开
open; turn on; spread; snap; unfold; unlock; release; crack; put on; switch on; open up; undo; unwrap; unwind; untie; unfurl; unfasten; unpack; uncoil; violate; go into; spread out; access; load; cut in; opening
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关闭
close; shut; quit; shut down; shut off; seal; close down; turn off; lock up; seal off; closed; sealed; to; up; closure; closing; shutdown; closedown; failure; turn-off; cut-off