This approach is also difficult to maintain as the system changes and is hard to drill into.
当系统变化时，这种方式既难维护，也很难深入进去。
That's the purpose of the last file, css/custom.css, which you create and maintain as part of your own code.
这是最后一个文件css/custom.css的作用，这个文件是作为您自己代码的一部分创建和维护的。
While version creep will occur, every effort should be made to maintain as much consistency between environments as possible.
由于存在版本渐变的事实，因此，应尽一切努力尽可能保持环境之间的一致性。
An RDR-implemented rule set is also very easy to maintain as rule set developers know the exact location where a new rule is required.
RDR实现的规则集也很容易维护，只要规则集开发人员知道需要新规则的准确位置。
In addition, as the XMLizing process tries to maintain as much semantic affinity to the source as possible, the generated XML counterparts can serve multiple purposes if needed, not limited to XSLT.
此外，因为xml化过程尽量保持与源文件的语义相似，所以如果需要，生成的xml对等物可用于多种目的，并不仅限于XSLT。
At the same time, complex mappings between models and design functions are difficult to understand and, in practice, impossible to maintain as the design changes.
同时，模型与功能设计之间复杂的对应关系会变得难于理解，并且当设计变化的时候，它们将很难维护。
Our system is proved to be easier to reuse and maintain, as we use object-oriented methods to design the system.
在该系统的设计过程中，通过应用面向对象和模块化的设计方法，使系统易于重用、维护和扩展。
Experts say this will make it much easier to maintain, as there are far fewer moving parts and gives the aircraft a more stealthy profile.
专家认为，这种设计减少了机内的零部件数量，使得飞机的维护变得更加容易，同时飞机的外形也更加隐蔽。
Experts say this will make it much easier to maintain, as there are far fewer moving parts and gives the aircraft a more stealthy profile.
专家认为，这种设计减少了机内的零部件数量，使得飞机的维护变得更加容易，同时飞机的外形也更加隐蔽。
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