The most recent was just last week when a medical flight carrying a sick patient had to land on its own in Nevada when the pilot couldn't get through to a snoozing controller on night duty.
最近的一次是在上周，由于飞行员不能接通在值夜班时打瞌睡的领航员，一架搭载着一位病人的医务航班不得不自行在内华达降落。
One pilot said he made several attempts to contact the only controller on duty and had to abort his landing during the final approach.
一名飞行员表示，他多次试图联系当时值班的唯一一名调度员，最后一次不得不取消降落。
The regular pattern of the resistance of the welding arc duty simulator is designed. And a controller is developed to control the change of resistances.
明确了模拟电弧负载电阻值的变化规律并研制了实现该阻值变化规律的控制器。
In this paper, a new duty ratio control technology using PI controller is presented.
本文提出了一种使用PI控制器的占空比控制技术。
One pilot said he made several attempts to contact the only controller on duty and had to abort his landing during the final approach. Both jets eventually landed safely.
一名飞行员表示，他曾多次联系值班的一名空中管制员，最后不得不中止降落，最终两架飞机安全着陆。
Broadcast And TV System, Nobody station on Duty of Microwave, Communicate Industey Controller, Conputer, System Industry Equipment Sets, Complete set of Lift Meed Rehulated Power Supply Pfbase.
广播电视系统、微波通信无人值守站、工业控制、计算机系统、工业设备配套。
The time of high level and the cycle for input pulse was measured with micro-controller to calculate duty cycles.
单片机通过测量输入脉冲的高电平时间及周期而实现占空比测量。
The time of high level and the cycle for input pulse was measured with micro-controller to calculate duty cycles.
单片机通过测量输入脉冲的高电平时间及周期而实现占空比测量。
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