1) double one stage
双一级
1.
Plan and innovation basis for 5L 40/8 air compressor two stage compressor route being innovated into double one stage CO2 compression route,and the results after the innovation are introduced.
介绍了5L-40/8型空气压缩机在转速不变的情况下,将原二级压缩流程改为双一级CO2压缩流程,并叙述了改造方案、依据及改造后的实际效果。
2) two-compartment first order kinetic model
双区一级动力学模型
3) A Twin-stage Energy Saving Cylinder
一种双级节能气缸
4) first-rank
一级
1.
Compared with Liu Xiang\'s athletic parameters,the paper intends to analyze the technical features of the first-rank hurdlers\' strides between hurdles with the help of dynamic photos and then finds out their weakness and difference in athletic parameters of strides to offer objective bases for their technical training.
通过摄像解析法,以刘翔的运动参数为参照物,对男子一级110m栏跨栏运动员跨栏步技术特征进行分析,从而指出了一级跨栏运动员跨栏步技术参数的不足与差距,为他们的技术训练提供客观依据。
5) double-stage
双级
1.
Sewag Source is abundant in Daqing,useing double-stage sewage source heating pump systems to recovery heat,can effectively improve the existing energy structure and develop renewable clean energy.
大庆地区污水源丰富,采用双级污水源热泵系统回收余热,能够有效地改善现有能源的结构和发展可再生的清洁能源。
6) first-order
一级，初级
补充资料：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
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