In the service choreography layer, composite services are defined by means of a choreography language, such as BPEL (Business Process Execution language).

在服务编排层，组合服务是通过编排语言(例如业务流程执行语言(Business Process Execution Language, BPEL))定义的。

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Although this management layer between the language and the platform eases software development, it introduces a certain amount of overhead into programs.

虽然语言和平台之间的这个管理层简化了软件开发，但同时也给程序带来了一定数量的开销。

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HAR1 is expressed before birth in the developing neocortex—the outer layer of the brain that seems to be involved in higher functions such as language, conscious thought and sensory perception.

HAR1在妊娠期的新皮质——大脑的外层，可能同语言、意识思维和感知等高级功能有关——发育期间开始表达。

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The addition of Japanese kana, the written language's two syllabic scripts, to kanji, or Chinese characters, adds another layer of complexity.

WSJ: The Vision and Calligraphy of Aoyama San'u | Tokyo National Museum | Transformational Characters | By Michael Judge