Replication on demand helps in the scenario where each node works with different pieces of data and will be combined at logical steps.

对于每个节点处理不同部分数据并在逻辑步骤中整合这些数据的情况，随需复制是很有帮助的。

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Secondly, demand factors impacting the layout of logistics node facilities are analyzed and predicted.

其次，对影响物流节点设施布局的需求因素进行浅析浅析与预测。

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Aiming at the volatility of demand in the supply chain, the feedback controller was used to maintain product inventory of each node, so that the supply chain reached stabilization.

针对在供应链中需求的多变性，应用反馈控制器来维持所有节点的产品库存，以此达到供应链的稳定。

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We see, however, sustained demand from the logic sector as the planned 28 nanometer node strategic build-up to a worldwide capacity of 300, 000 wafer starts per month is expected to be achieved by mid-2013, and as the 22 nanometer logic ramp will start in the second half of next year.

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