漏同步
参考答案：
当同步字在信道中受到干扰，使其中某些码无发生变位，致使收端检测不出同步字时，称为漏同步
________ earthquake in Japan on March 11th, 2011 is ________ great shock not only to the Japanese people but also to people all over the world.
A．The; the
B．The; a
C．An; a
D．An; the
输入期初余额时，上级科目的余额和累计发生数据需要手工输入。( )
