So to prevent overproduction, the upstream doesn't "push" finished parts to the downstream, but instead it is the downstream that actively pulls (fetches) the parts from the upstream.
为了避免生产过剩，上游工序不是将成品零部件“推”给下游工序，反而是下游工序主动地从上游工序中拉出(拿)零部件。
Autologous chemotaxis produces downstream migration because the concentration of ligands is increased on the downstream side of the cell, as Swartz had found.
正如施瓦茨所发现的，自体同源趋化作用产生顺流迁移，因为配合基浓度在细胞的下游边上的以增强。
If only the identity of the middle tier service is propagated to the downstream service, the downstream service does not have proper control over audit and authorization of access to the service.
如果只有中间层服务的标识传播到下游服务，则下游服务不能对服务访问审核和授权进行正确的控制。
Illustrated in it are two processes, an upstream and a downstream process, where the upstream process supplies parts (items) to the downstream.
图中以两个工序，上游工序和下游工序为例，其中上游工序为下游工序供应零部件。
Each service within the chain is dependent on the downstream services—that is, a service can't proceed until it receives a response from the downstream services that are invoked.
链中的每个服务都依赖于下游服务——即在接收到所调用的下游服务发回的响应前，服务将不会继续执行。
The tenant context is propagated downstream as HTTP request headers and informs downstream servers of the user identity, role, associated tenant identity and entitlements.
租户上下文作为HTTP请求头部向下游(downstream)传播，将用户身份、角色、相关的租户身份和资格告知给下游服务器。
Discharge valve can be will collect the liquid and solid particle emissions, prevent the liquid flow off the downstream, the pollution downstream compressed air system.
排放阀可以将收集的液体和固体微粒排放掉，防止液体流向下游端，污染下游端的压缩空气系统。
The vacuum degree at tailrace adit varies most significantly at the lowest downstream water level and improves gradually along with the rising of downstream water level.
当下游水位最低时，尾水管进口真空变化最明显，随着下游水位的上升，尾水管进口真空度逐渐改善。
What's more, repairing is a problem except when there is no water downstream or the water level downstream is very low.
而且检修也比较困难，只适用于下游无水或下游水位很低的情况。
Global Solutions has supported Shell companies' business activities in downstream manufacturing, downstream marketing, gas.
壳牌全球解决方案为壳牌的下游生产和营销活动、天然气。
Jinghe River is a grade II tributary of the Yellow River and its downstream converges into the downstream of the Weihe River, which lies within the Sanmenxia Reservoir area.
在泾河上修建东庄水库，必须充分考虑水库的运用给渭河下游河道带来的冲淤影响。
However if one of the downstream jobs (B1 or B2 or …) fails, the job C still runs though I never check "trigger even if some of downstream projects are unstable".
然而，如果下游的工作之一（B1和B2或……）失败，工作C仍然运行虽然我从未检查“触发即使一些下游项目不稳定”。
From the upstream and downstream of view, South Africa Heavy downstream clients concentrated in the shipping, petrochemical, electricity and gas.
从上下游看，中南重工的下游客户集中在船舶、石油化工、电力和天然气领域。
The products of the upstream reaction zone are conducted to a downstream reaction zone and combined with fresh feed in the downstream reaction zone.
所述上游反应区的产物引入下游反应区并在所述下游反应区与新进料混合。
Due to the effects of convection, the solute will be washed from upstream to downstream, resulting in the upstream concentration lower than the downstream one in the liquid alloy.
对流影响溶质场的分布，将溶质从上游冲刷到下游，使得上游液相中的浓度低于下游；
Acid soluble in the upper reaches higher than downstream and migration of heavy metals is strong, while it is poor in the downstream.
上游的重金属总弱酸可提取态要比下游高，可见上游沉积物中重金属的活性和迁移性较强，而下游沉积物中重金属的活性和迁移性较差；
Acid soluble in the upper reaches higher than downstream and migration of heavy metals is strong, while it is poor in the downstream.
上游的重金属总弱酸可提取态要比下游高，可见上游沉积物中重金属的活性和迁移性较强，而下游沉积物中重金属的活性和迁移性较差；
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