Complex parts only can adopt the method of multi-box molding, difficulty is increased, casting is easy to cause dislocation, increase the workload of cleanup and machining.
复杂件只能采用多箱造型的方法，难度增加，铸件容易产生错位，增加清理和机加工的工作量。
To extract the gear crack fault weak feature of locomotive running gear box on complex background, a new method of ensemble empirical mode decomposition (EEMD) and 1.
针对复杂背景下机车走行部齿轮箱齿轮裂纹故障微弱特征的提取问题，提出了总体平均经验模式分解(EEMD)与1。
The paper will probe into origins of three features of complex networks and underlying mechanism of their relation using renormalization and box-covering method.
将结合重整化群和盒计数方法，探讨对复杂网络的这三个特征的产生机理和它们之间相互关系的内在机制。
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