This is similar to using an abstract pointcut , where subaspects must override the pointcut to apply advice 这与使用一个抽象切点类似，其中子方面必须覆盖切点以使用建议。
Enzyme cutting analysis indicated that they had different enzyme cutting sites and cutting site number 利用常见的限制性内切酶酶切分析表明，二者有不同的酶切位点和切点数。
With an aop implementation , these could be published as four pointcuts that could be combined and refined in any way desired 使用aop实现，它们可以发布为四个可以随意组合和修饰的切点。
The abstract operation monitor also provides pointcuts with concrete advice that define common ways to monitor requests 在抽象操作监视器中，还提供了具有具体建议的切点，它定义了监视请求的常用方法。
To avoid overmany crossings of fw layers , which reduce the using of the filament strength , the number of the tangency points is chosen to one 为了避免fw层的交叉点过多而影响纤维强度的发挥，所选择的切点数为1个。
For example , you could define a more narrow pointcut for monitoring struts actions in an xml - defined aspect and exclude the standard 例如，可以定义一个更狭窄的切点以监视在一个xml定义的方面中的struts操作，并排除标准的
Having an empty default implementation for a template pointcut like this is quite similar to having an empty default implementation for a template method 像这样的模板切点有一个空的默认实现与模板方面有一个空的默认实现很相像。
You can often write pointcuts this way by only using class names in a statically resolvable context such as in a field signature or type pattern 只需在像字段签名或者类型模式这样的静态可解析的上下文中使用类名就可得到这样的切点。
And or pointcuts to identify business relationships from the annotations for example , determining object aggregation from cascading persistent data 和/或切点从注释中标识业务关系更具吸引力（例如，从级联持久化数据确定对象聚合） 。
