Counting directed trees plays an essential role in computational efficiency of topological analysis in the linear network.
有向树计数的大小，是影响线性网络拓扑分析运算效率的一个重要因素。
Test result proved the precision of the equipment. It realizes measuring numbers and counting linear density of fibers automatically.
试验分析表明，测量精度达到设计要求，实现自动检测纤维根数和计算线密度值。
Vibration plate tailored for screw samples, linear arrangement and precise counting control device ensure accuracy in each bag.
针对螺丝样品量身定做的振动盘、直线振动排列装置，和精密的计数控制装置，确保每袋准确无误。
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