The Neoproterozoic of North China is a significant interval in the stratigraphic study of China.

华北北部新元古界是我国地层学研究的一个重要层段。

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Most significant in this area is support for cron-style scheduling in addition to the EJB 3.0 interval based timer API.

除 EJB 3.0 基于间隔的计时器 API 外，这个领域最重大的改进是对 cron 风格调度的支持。

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The results suggested that the signal interval exerted a significant effect on the reaction time.

实验结果表明：信号间隔时间是影响信号觉察反应时的一个重要因素。

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Chief among these are that access rights should be reviewed in conjunction with business managers at some regular interval (quarterly or monthly, depending on your risk disposition), anytime someone undergoes a significant role transfer within a firm, and most importantly when someone leaves a firm.

FORBES: Bad Password Management Will Stop You in Your Tracks