机译:H国防部空军技术转移的案例研究:衰减定义通信耳机系统
noise environment; Military Personnel; CustomsPIN1 geneHIGH IMPACTheadsetsCommunication ResearchTechnology Transferair forcePilotsUnited States Department of Defense;
机译:Stulz Air Technology Systems,Inc。
机译:电厂公共排水控制系统的Profibus-DP通讯原理研究(Studies on the Public Drainage Control System of Power Station Based on Profibus-DP Communication Principle)
机译:The early English customs system : a documentary study of the institutional and economic history of the customs from the thirteenth to the sixteenth century /