Period The unit of time into which a customer relationship is divided for analysis.

划分客户关系用以分析的时间单位。

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Note: Period of time will depend on moisture present on the unit and within the.

注：时间取决于部件上残留的水分和所处环境。

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The system can simulate the executive process of nc programme files, and realize the simulation of speed and acceleration curve, and process time and distance with the unit of controlling period.

该仿真系统不仅可以用于仿真NC程序文件的执行过程，而且实现了以控制周期为单位，对速度、加速度曲线以及加工时间、加工距离的仿真。

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Once a new unit is built, the operational costs are nominal and over a 40-year time period, such facilities have proven to be cost effective.

FORBES: Connect

The performance gains that flash memory provide will cause solid growth in the enterprise storage market, Burke predicted that unit growth will be 42% from 2011 to 2012 with capacity growth of 90% but over the same time period enterprise HDDs will grow 25% in units and 83% in storage capacity.

FORBES: Digital Storage Needs the Right Stuff