Reverse-spread spectrum device, time sequence inspection device, channel evaluation device and method for measuring frequency faults.
逆扩频装置，时序检测装置，信道估计装置和频率误差测量方法。
An atmospheric evaluation device for sulfur tolerant shift O2 scavenger was set up to study O2 scavenging performances of the scavenger.
介绍耐硫变换脱氧剂常压评价装置的建立，用自建评价装置对耐硫变换脱氧剂进行脱氧性能研究。
An atmospheric evaluation device for sulfur tolerant shift O2 scavenger was set up to study O2 scavenging performances of the scavenger.
介绍耐硫变换脱氧剂常压评价装置的建立，用自建评价装置对耐硫变换脱氧剂进行脱氧性能研究。
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