Lapses in control drive the rise of multidrug-resistant TB, which is far more costly and difficult to treat, and remind us of the constant risk of setbacks.
控制失效导致耐多药结核病病例上升,而此类结核病的治疗要困难许多,也昂贵许多。这提醒我们要时刻牢记挫折风险。
This paper introduces the fully digit fieldbus control drive system which consists of PLC and frequency converter. The structure and application of the system are also discussed in detail.
介绍了以P LC为控制单元,变频器为执行单元的全数字现场总线控制传动系统,重点讨论了系统的构成和实际应用。
The drive features AB's Force Technology, a field-oriented control that permits independent control of speed and torque.
这个驱动器是 AB 电动技术的代表产品,它是一个定向控制可以分别控制速度和扭矩。
These in turn control the hard drive's moving parts.
这些反过来控制硬盘的移动部分。
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