To make this a pull system, it needs a mechanism allowing the downstream process to somehow signal the upstream process to start working.
而为了使其变成拉动式系统，还需要一种机制来使下游工序以某种信号通知上游工序开始工作。
While the Amazon is in generally good shape, in the upstream regions, such as Peru, there are many high density areas of people that inject threat into the system.
尽管亚马逊河保持一般的状况，但是在河流上游，例如秘鲁，人口密集的地区正在给河流系统增加威胁。
If debris in the water system continues to cause fouling, a strainer can be installed upstream of the backflow assembly.
如果水系统内的碎片继续造成污染，则需要在防回流阀总成的上游安装一个过滤器。
As for the receiving system, as long as the receiving frequency search will extend to the upstream channel frequency range of it.
至于接收系统，只要将接收频率搜索范围扩大到上行信道频率范围就可以了。
This digitalized optical fiber transmission system is upstream line of the bi-directional optical fiber transmission system.
数字化光纤传输系统，为有线制导光纤传输系统的一个部分；
Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.
作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。
This paper addresses a modeling approach to analyzing an integrated system that includes freeway mainlines, ramp metering, and an upstream signalized diamond interchange.
研究了如何使用模型来分析建立包含高速公路干线、匝道控制和上游信号控制的菱形立交的一个综合控制系统。
For the system that the on-ramp is at the upstream of the bus stop, we propose the average spacing feedback method.
对于入匝道在公交车站上游的瓶颈系统，我们采用了平均车头间距反馈的方法。
Fluid reservoirs (100) can be located either upstream or downstream of a filtering system to provide chilled filtered liquid.
流体贮存器(100)可以位于过滤系统的上游或下游，以提供过滤的冷却水。
The present invention relates to a hydrocarbon trap positioned in the air intake system of a vehicle, upstream from the engine and wholly in the airflow.
本发明涉及一种碳氢化合物陷阱在车辆进气系统的位置，从上游的引擎完全在气流。
The three gorges blocks are a double system, one for upstream traffic, and the other for downstream.
三峡船闸是双线系统，一条上行，一天下行。
Discharge and return upstream, as well as salvage of damaged river barges, is also an important step to full recovery of this critical system.
驳船卸货和返回密西西比河上游，以及补救受损的河运驳船，也是该重要系统完全恢复的重要步骤。
The reliability analysis on capacity of a trapezoidal open channel which with its upstream weir of sluices is taken to be a series connecting hydraulic system is given in this paper.
本文将明渠及其上游的堰闸视为一个水力系统，然后研究梯形断面明渠过流能力的可靠性。
The configuration of the reaction vessel permits flow of metal during LARS tilting either upstream and back into the furnace or downstream to the casting system.
反应容器的形状能够让金属无论是在逆流回到熔炉时还是顺流到熔铸系统的时候，都随着LARS的掀动而流动。
To fill the system, open the shutoff valve upstream of the regulator.
如果要给系统进水，请打开调节阀上游的关断阀。
The burst mode optical transmitter is the key part of the EPON system. It is designed to launch the burst mode optical signal in the upstream in the system.
突发模式光收发机是EPON系统中的核心器件，其中突发模式光发射机的作用是实现在EPON系统上行信道中突发模式光信号的发射工作。
Alot of noises accumulate on the upstream channel in HFC (Hybrid Fiber-Coax) system, which caused the difficulty in bi directional operations, Therefore, suppressing them is very difficult.
HFC上行通路汇集了大量的各类噪声，严重影响着其双向业务的开通，如何对这些噪声进行抑制是个难题。
In the ice storage system the chiller is located upstream in series form, and the thermal storage system involves a vertical laminar flow heat storage tank of natural stratification.
武汉国际会展中心空调系统冷热源为蓄冷、蓄热方式 ，蓄冰系统采用主机位于上游的串联形式 ，蓄热设备为自然分层的垂直层流型蓄热槽。
The invading noise has the greatest effect on the upstream of two way CATV system, which mainly comes from the indoor of the users.
侵入早噪声对双向有线电视网的影响最大，其大部分来自于用户室内。
With the rapid growth of energy demand, natural gas will be liquefied natural gas upstream and downstream integration system in the core component.
随着能源需求的快速增长，液化天然气将成为天然气上下游一体化系统中的核心组成部分。
With the rapid growth of energy demand, natural gas will be liquefied natural gas upstream and downstream integration system in the core component.
随着能源需求的快速增长，液化天然气将成为天然气上下游一体化系统中的核心组成部分。
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