Converse to the question of precision, short pieces of data may be compact but difficult to understand without some external guide or reference.
与精确性问题相反，简短的数据看上去紧凑，但是如果没有外部的指导或参考，将难以理解。
Practical prediction research of urban traffic flow shows that this model has famous predicted precision, and it can provide exact reference for urban traffic programming and control.
实际的城市交通流量预测研究表明，该模型具有较高的预测精度，可以为城市交通规划和控制提供准确的参考。
There are some objects used as reference in precision verification of CNC machine tool and CMM.
在CNC机床和三坐标测量机精度检定中，通常采用一些实物作为基准。
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