通用语言中的传统的抽象机制，如方法和类，已不足以满足建立新的抽象层次的需要。
Conventional abstraction mechanisms of general purpose programming languages such as methods and classes, are no longer sufficient for creating new abstraction layers.
服务组合可以通过可执行模型(如bpel建模的模型)来加以简化；这是传统的建模工具和方法不能处理的事情。
Service composition is simplified by executable models (such as BPEL modeled ones); this is something traditional modeling tools and methods do not deal with.
遗传改良的传统方法，如传统诱变和接合作用可用于提高微生物培养物的质量。
Traditional methods of genetic improvement such as classical mutagenesis and conjugation can be applied to improve the quality of microbial cultures.
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