effective storage time

基本解释

With respect to storage space and computational time. This method is more effective than the existed method. What is more. It can be generalized to find 8-neighborhood.
与前人的方法相比，该方法占用机器时间和内存空间都较小，而且该方法能方便地推广到八邻域的寻找。
Transportation hubs, where several modes converge and handling and storage is concentrated, have proven to be effective and efficient in reducing costs and time of transport.
建立综合运输枢纽，汇合多种运输方式，集中装卸储存，这已被证明是降低运输成本、缩短运输时间的有效方式，中印两国都在进行运输枢纽建设。
According to the model it also designed with an air-tight monitor which can automatically calculate and forecast the effective storage time of the containers in storage or in transportation state.
根据模型设计了一种通用型内环境气密监测仪，对发射箱在贮存、运输状态下的密封性进行动态监测，能准确地预测发射箱对导弹的有效贮存期，保证导弹的贮存可靠性。

Aside from magnetic tape (which generally has a slower time to access information) there is no more cost effective storage device to keep all this content on than HDDs.
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