优化级 Optimizing ; The Optimizing Level ; Optimized
优化级数 [数] majorized series ; [数] majorizing series
硝化级苯 nitration grade benzene ; nitro-grade benzene ; nitration benzene
量化级别 Quantize levels
产业结构优化升级 to improve or upgrade the structure of industry ; upgrading of the industrial structure ; industrial structure is upgraded
硝化级甲苯 nitration grade toluene
硝化级二甲苯 nitration grade xylene
方形化级联 squared off cascade
可串行化级别 Serializable isolation
设计包括：在自动化级进行PLC控制程序的开发，实现了破鳞辊运行的可靠控制；
The design includes: The developement of the PLC control program at automation layer, consequently the reliable control of scaly rupturing roll is realized.
其中重点研究了MIS系统与底层设备基础自动化级、过程级的网络结构设计与实现。
It focuses on the design and application of network structure of MIS with plant floor equipments in their level of automatic control and computer processing.
结果表明，使用这种方法不仅实现了可视化级配设计，而且所得结论可以指导沥青混合料级配设计和施工。
The results indicate that with this testing method, an visual gradation design is realized and the conclusions derived may serve as a guideline for the design and the construction of asphalt mixture.
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