If this code is interrupted by another thread after executing line C3 but before completing the constructor, double-checked locking fails.
如果此代码在执行c 3行后且在完成该构造函数前被另一个线程中断,则双重检查锁定就会失败。
This telephone line is interrupted.
这个电话不通。
I'll get in touch with you by wire because the telephone line is interrupted.
我会用电报和你连络,因为电话线中断了。
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