基本解釋中草層英漢例句雙語例句The middle layer is composed of the field control unit device PLC with Ethernet interfaces.中間層由帶以太網(wǎng)接口的現(xiàn)場控制單元設(shè)備PLC組成；Core middle layer complicate the physical naming of metadata, state of resources, the definition of mapping relation as well as the basic field of metadata structure.組織層屬于兩類元數(shù)據(jù)關(guān)系配置層，通過不同映射關(guān)系的配置可以提供應(yīng)用層對突發(fā)事件應(yīng)用元數(shù)據(jù)構(gòu)建的策略。middle field layer更多例句詞組短語短語middle ages field layer 中草層middle field layer更多詞組