但是，如果使用具有相同分组关键字的多个聚合，或者对相同列进行计数的计数函数，其不会显著增加规则的执行时间。
But if you use multiple aggregations with the same grouping keys, or multiple counting functions that count the same column, it will not significantly increase the execution time of the rule.
除了会增加大小和执行时间外，这样的重命名函数有时可能会带来管理上的恶梦。
Besides increasing the size and the execution time, such renamed functions can sometimes prove to be management nightmares.
在样例服务实现中，我们要确保，每个函数所需的执行时间最少是一秒，而且在执行的同时打印出一些消息。
In the sample service implementation, we make sure that, each function's execution time requires at least one second and it will print out some message while being executed.
可非常高效地执行标量规则，并可在规则中增加附加标量测试或者函数，而不会显著影响规则的执行时间。
You can execute scalar rules fairly efficiently, and adding additional scalar tests or functions in a rule won't significantly impact the execution time of the rule.
此工作负载的执行时间与要处理的记录数量有函数关系，并且可能执行相当长的时间。
The execution time of this workload will be a function of the number of records to process, and could be quite long.
在本文中，您已了解到不同测试及函数如何影响规则的执行时间，以及如何使用不同方法来优化执行时间。
You have seen in this article how different tests and functions impact the execution time of rules, and how you can use different approaches to optimize execution time.
一个算法的执行时间是要解决的计算问题规模的函数。
The performance time of an algorithm is a function of the size of the computational problem to be solved.
给出了系统划分模型，使用执行时间最少的增益函数启发下一步动作的启发算法。
The heuristic algorithm is the gain of the execution time. The partitioning model is constructed and the result is searched.
在对指令系统分析和研究的基础上，设计和实现了指令的解释执行系统。并设计和实现计算程序执行时间的函数。
Based on the analysis and research on the instruction system, this paper designs and realizes the interpretation system for instructions, and also the functions which compute program running time.
通过对实际车辆单元换道轨迹的观测与换道执行时间的统计分析，建立了车辆换道转角与车速的函数关系。
By analyzing the track of vehicle's lane changing and the span of lane changing, we establish the relation between velocity and Angle of lane changing.
通过对实际车辆单元换道轨迹的观测与换道执行时间的统计分析，建立了车辆换道转角与车速的函数关系。
By analyzing the track of vehicle's lane changing and the span of lane changing, we establish the relation between velocity and Angle of lane changing.
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