Power control consists of forward link (downlink) power control and backward link (uplink) power control.
功率控制分前向链路（下行链路）、反向链路（上行链路）功率控制。
Early, power facilities anti-theft measures taken backward, spent a lot of manpower and resources, and the outcome is very limited.
早期，电力设施防盗采取的措施比较落后，投入了大量的人力物力，然而取得的成果十分有限。
Under continuous wave pumping, backward amplified spontaneous emission output power (ASE-) rapidly increases to peak value, and then decreases monotonically to steady-state value.
在连续波泵浦下，反向自发辐射输出功率（ASE-）首先快速地增加到峰值功率，然后单调下降到稳态值；
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