You have also examined how the use of parameter markers/host variables may limit the consideration of distribution statistics by the DB2 optimizer.

您还研究了参数标记/主变量的使用会为 DB2 优化器对分布统计信息的考虑带来怎样的限制。

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On distribution roads, where side impacts are likely - when a car might ram into the side of another that is pulling out of a side road, for instance - the limit should be 30mph (50kph).

在容易发生侧面碰撞的快捷干道上，汽车很容易冲撞到正从岔路口进入的车辆，在这样的路上时速应低于30英里(50千米)。

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However, the modes of centralized access control and key distribution limit the extension of their group sizes.

然而，由于其集中式访问控制和密钥分配方式，限制了组规模的进一步扩展。

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One key to achieving Agrimonde's proposal is convincing people in rich countries to limit their waste and meat consumption and create more even distribution of animal products in diets around the world.

CNN: French report suggests new ways to feed the future

The panel recommended the drug's approval with a 20-2 vote in February, after Vivus proposed a risk management program to limit Qsymia's distribution and published additional results from one of its three clinical trials.

CNN: FDA approves new diet drug

Beijing also increased the amount of revenue foreign movies are allowed to collect from distribution in China to 25% of overall ticket sales from the earlier limit of 13%.

BBC: China becomes world's second-biggest movie market