The modeling system comprises four steps sequentially, that are, lifestyle basis of activity decisions, activity generation, destination and mode choice, and departure time choice.

该模型体系顺序地包括四部分，分别是活动决策生活方式基础、活动的产生、目的地和交通工具选择、出行时间分布。

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With the deeply competition of electricity markets, generation companies must proceed to analysis of bidding strategies and research of the offer system for holding the first time.

随着电力市埸竞争的加剧，发电商必须进行报价策略分析和报价系统研究，才能在市埸竞争中把握先机。

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The time of hydrocarbon generation, expulsion and accumulation could be determined through the analysis and correlation of biomarkers of the system.

含油气系统中的生烃时间、排烃时间及聚集时间由生物标志化合物的分析与对比确定。

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The American Jobs Act includes an immediate investment in employing construction workers to restore 150 miles of runway at American airports and put in place a next-generation air-traffic control system to reduce travel time and delays.

WHITEHOUSE: Our Top Stories

Marilyn Moon of Washington's Urban Institute calculates that the average Medicare recipient already spends nearly 19% of his or her income on health care and that in a generation's time, if the system remains unaltered, the proportion will rise to almost 30%.

ECONOMIST: Medicare reform

For Ford, the spike in rare earth prices a couple of years ago came at a critical time, when it was finalizing development plans for its next generation hybrid system.

FORBES: Ford Sees Cost Breakthrough With New Family of Hybrids