为此，一种简单的方法就是仅在派生某个线程时才生成一个随机数，并将该随机数追加到所有输出行上。
A simple approach to this is to just generate a random number when a thread is spawned and prepend that number to all output lines.
最后一个sed示例使用 =命令输出行号，然后再次使用 sed过滤生成的输出，以模拟使用nl 命令对行进行编号的效果。
Our final sed example uses the = command to print line numbers and then filter the resulting output through sed again to mimic the effect of the nl command to number lines.
出行生成模型：交通小区通达性和便利程度在很大程度上影响着居民的交通生成量，传统的出行生成预测模型无法反映这一特征。
This model demonstrates how the socioeconomic variable, traffic serving level and the socioeconomic variable around traffic zones contributes to the trip generations.
传统的交通需求4阶段分析模型大多基于各类出行的起讫点调查(OD调查)，建立出行生成、出行分布、出行方式选择和流量分配的4阶段预测模式。
The traditional travel demand model usually bases itself on the od study survey and employs a 4-step modeling process including trip generation, trip distribution, mode choice and assignment.
通过对个人出行选择决策的分析，建立了出行生成的非线性预测模型。
Through to goes on a journey personally the choice decision-making analysis, established went on a journey the production non-linearity forecast model.
而公交乘客信息系统最重要的一个功能是在乘客给出起讫点后，自动生成最优的出行路径方案供乘客选择。
The most important function of public transportation passengers information system is when given an origin-destination, it can supply optimal path scenario for passengers automatically.
而公交乘客信息系统最重要的一个功能是在乘客给出起讫点后，自动生成最优的出行路径方案供乘客选择。
The most important function of public transportation passengers information system is when given an origin-destination, it can supply optimal path scenario for passengers automatically.
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