routing number的意思是路由号码。
句子：
1、The routing number follows the signalling protocol of the external network.
路由选择号码以自身了解的方式遵循外部网络的信令协议。
2、S. that Bank of China works with and also their routing number. They need this info to do the wire to your bank.
我提供给他的是中国银行的路由号码，之前有提供过一个意大利的客户倒没有遇到这样的问题。
3、You will need to enter your bank routing number, checking account number, the name on the account and driver's licenses or state ID card.
你需进入银行路由号码，检查帐户号码，姓名和驾驶证或者国家身份证。
4、After the talk, the man, who does not wish his identity to be known, according to the society, came up and asked for the society's bank routing number.
在会谈结束后，这位不愿透露身份的人士询问了协会的银行账户。
5、When the number of maps is low, you can use routing or filter nodes in the message flow, but this method becomes increasingly difficult as the number of maps used by the message flow increases.
当映射数量很少时，您可以在消息流中使用路由或过滤器，但是随着消息流所用映射数量的增加，使用这个方法的难度也在增加。