由这个唯一的jvm来访问磁盘上的搜索数据结构，从而防止数据损坏(请参见图2)。
This unique JVM accesses the search data structures on disk, preventing data corruption (See Figure 2).
对工件表面的损坏通过本发明被防止，从而避免了相应的表面修整。
Damage to the surface of workpieces is prevented by the invention, so that corresponding refinishing is avoided.
该锁紧钩结构合理、紧凑，便于列尾装置的装拆，从而可防止装拆作业对列尾装置的损坏。
The locking hook has reasonable and compact structure, and facilitates the assembling and disassembling of train tail unit without damage.
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