In the quiescent state, the next field of the link node pointed to by the tail is always null; in the intermediate state, it is always non-null.
在静止状态时，尾指针指向的链接节点的next字段总为null，而在中间状态时，这个字段为非null。
Router will abort IP packet when buffer is full and the IP packet is coming in. the tail drop do not use the link enough with TCP/IP's slow start.
当缓冲区满时的丢包策略，最常用的方法是采用尾丢包的方式，而尾丢包的方式和TCP／IP协议的慢启动管理策略会导致全局同步化，给网络带来不良影响，线路利用率不高。
The key of settling the difficulties of supporting and caving is to develop and adopt the new style hydraulic caving supports with tail beam of expansion link combined by above 2 new technologies.
全面解决支护和冒放等难题，关键在于开发和采用由上述两项新技术结合而成的新型放顶煤液压支架-伸缩杆尾梁放顶煤液压支架。
The tail end of the spacing sliding block is provided with springs. The top of the latch is provided with a link bar.
限位滑块的尾端装有弹簧，插销的顶部装有连接杆。
The tail end of the spacing sliding block is provided with springs. The top of the latch is provided with a link bar.
限位滑块的尾端装有弹簧，插销的顶部装有连接杆。
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