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- 两级A/O生化A/O
- 两级A／O工艺two-stage A/O process
- A／O生化系统A/O biochemical system
- 两级two-stage
- 功率放大部分采用ATF-34143和MGF0919A做双级A类放大器设计，输出功率27.5dBm，P1dB约32dBm；ATF34143 and MGF0919A are used to realize power amplifying, the output power is about 27.5dBm, P1dB is about 32dBm.
- 两级生化Biochemistry of two grades
- 他是耶鲁大学比我高两级的学生。He was my senior at Yale by two years.
- 两级系统a two-tiered system
- 他一次跑上两级阶梯。He ran up the steps two at a time.
- 两级过滤double-filtration
- 两级SBRTSSBR
- 两级管理制a two-tier system of management
- 两级法two step method
- 两级OTAtwo stage OTA
- 两级制two- level system
- 两级环two-level-loops
- 两级DBFtwo-step DBF
- 两级泵two-stage pump
- 两级阀two-stage valve
- 两级压塑机two-stage plasticator
