如果文件的长度不为零 s file
如何长度 how length
如厂家推荐长度 MRRL ; Manufacturer's Recommended Run Length
如此长的冬季度假 so long a winter holiday
以往的关于儿童传递性推理研究绝大多数是关于儿童在物理领域的传递性推理，如长度、高度、大小等问题。
Most of the former research on children's transitive inference is about transitive inference in the physical field, such as length, height, size.
当ROS在一台机器人的内置计算机上启动时，它会要求对该机器人进行描述，其中包括如机械臂长度、结点旋转方式等信息。
When ROS boots up on a robot's computer, it asks for a description of the robot that includes things like the length of its arm segments and how the joints rotate.
在几种情形中(如dn超出了SSLPEER长度或需要通配符匹配)，通道出口是唯一的解决方案。
In several scenarios, such as a DN that exceeds the SSLPEER length or the need for wild-card matching, a channel exit is the only solution.
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