设计了两种新型凸轮滑杆式间隙模封机构，同时采用微机控制，给出硬件、软件程序框图。
Two new intermittent traverse seal mechanisms were designed. They were controlled by the computer. The hardware and software program drawing were also presented.
隔天我发现自己收到15封邮件，连图片都一模一样，没完没了。
The next day, I received 15 duplicate emails of the same pictures, over and over again.
她很惊讶的发现里面居然有另外一封信，与第一封一模一样。
2 - She was startled to find that it contained another white envelope, exactly like the first.
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