This aspect is to reduce the pipeline pressure loss, the other is to avoid the path contraction obstacle to the mechanical cleaning pipelines.
这一方面是为了减小管线的阻力损失，另一方面是为了避免通径收缩后给机械清扫管线造成障碍。
Chapter 3 introduces the processes of data preprocessing, they are data cleaning, user identification, user session identification, path supplement and data formatting.
第三章探讨了数据预处理的流程，即数据清理、用户识别、用户会话识别、路径补充和数据格式化。
Combined the examples, data cleaning, user identification, session identification, path completion and transaction identification are discussed deeply.
结合实例详细介绍了数据净化、用户识别、会话识别、路径补充和事务识别等数据预处理技术。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
用旋转导向系统RSDS进行大位移井钻井，可望相当准确的控制井眼轨迹，大幅度减少钻柱所受的摩阻和扭矩，显著改善井眼的清洁状况。
Damaged coffins are fixed or replaced before the mummies are walked around the area by following a path of straight lines during the ritual, called ma 'nene, or the Ceremony of Cleaning Corpses.
仪式期间，干尸会在一条笔直线路的区域附近“行走”。在这之前，人们会把损坏的棺材修好或者替换掉。这个仪式叫做Manene，又称清洁尸体的仪式。
Damaged coffins are fixed or replaced before the mummies are walked around the area by following a path of straight lines during the ritual, called ma 'nene, or the Ceremony of Cleaning Corpses.
仪式期间，干尸会在一条笔直线路的区域附近“行走”。在这之前，人们会把损坏的棺材修好或者替换掉。这个仪式叫做Manene，又称清洁尸体的仪式。
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