1) Two grades four libraries
两级四库
2) four-tier courts and second-trial final verdict system
四级两审
3) Two Level Database
两级数据库
4) two-stage inventory model
两级库存模型
5) two-stage
两级
1.
Lithium Bromide Two-Stage Absorption Heat Pump and Its Design;
溴化锂两级高温吸收式热泵及其设计
2.
Development on low-specific-speed high-speed centrifugal pump with two-stage complex impeller;
低比转速两级复合叶轮高速离心泵的研制
3.
Mathematical modeling and simulation of two-stage absorption refrigeration air-conditioning;
两级吸收式制冷空调的数学建模与性能仿真
6) two stage
两级
1.
The single stage and two stage SBR systems were investigated for treating high concentrated cattle farm wastewater and the performances were compared in terms of the removal efficiencies of carbon, solids and nitrogen.
对单级和两级序批式反应器 (SBR)用于牛场高浓度有机污水的处理进行了试验研究 ,对其污水处理性能进行了比较。
2.
this paper concentrates on the hardware testing of two stage refrigeration system of automotive air condition, and demonstrates the gain in system capacity and efficiency of two stage refrigeration system.
介绍了对两级制冷系统所进行的试验测试,并对试验数据进行了分析,结果表明两级制冷系统在效率及制冷能力方面均优于常规制冷系统。
补充资料：四库
1.古代宫廷藏书之所。《新唐书．艺文志一》:"两都各聚书四部，以甲﹑乙﹑丙﹑丁为次，列经﹑史﹑子﹑集四库。"故后世亦称四部为"四库"。参见"四部"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条