实际情况是，3gl团队必须非常专业并专注应用程序的这些基础层，他们交付核心功能的能力可能会受到损害。
The reality is that 3gl teams must be so specialized and focused on these foundation layers of the application that their ability to deliver core functionality can be compromised.
从这里，他们应有足够的基础来认识如何弥补他们实际情况的任何差距。
From here, they should have enough of a foundation to know how to fill in any gaps that are specific to their actual scenario.
故联邦铁路局提议，需在全面考虑环境因素与系统特性的基础上，根据实际情况处理此类异常问题。
Therefore, FRA proposes to handle these anomalies on a case by case basis fully considering the environment and the attributes of the system.
应用推荐