The expressions of power and coupling impedance of the ring-loop structure are derived.
作为其特例，本文还研究了环杆线与环结构的耦合阻抗。
Near the end of the expansion phase, the ring of plasma breaks open, and some of the plasma appears to escape the pull of the magnetic field loop.
在日珥的扩张接近结束时，等离子体构成的圆环猛然裂开，一些等离子似乎要挣脱磁场拉力的束缚。
Along with the western coast of North and South America, Central America lies on the Ring of Fire, a seismically active loop that encircles the Pacific Ocean.
沿着北美和南美的西部海岸，中美洲位于环绕太平洋地震活跃圈的火山带上。
Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
The recommended length for a ring tone is about 20 seconds, and to sound good, be sure your ring tones are loop-able, meaning that the end fits to the beginning.
铃声的建议长度为20秒，并且为了保证声音好听，一定要将铃声制作成循环播放的，意思是结尾要连接到开始。
The retaining ring is a main equipment of the power generator, it is used to tighten the end of the loop, and overcome the influence of the centrifugal force.
护环是发电机的重要设备，用来卡紧线圈端部，克服离心力的影响。
The pump cover is provided with a cooling wash fluid circular loop inside. The pump cover is provided with a distributing ring.
泵盖中设有冷却冲洗液循环回路，在泵盖上装有分配环。
The piston ring is an opening loop or a grading ring which is convenient to disassemble and replace.
活塞环为便于拆换的开口环或分段环。
We theoretically and experimentally analyze the transmission traits of novel Sagnac loop, and realize dual-wavelength and single wavelength output switchable ring fiber laser through adjusting PCs.
我们理论和实验上分析了该新型滤波器透射特性，并在此基础上通过调节PC实现了双波长和各自单波长输出的环形腔光纤激光器。
We theoretically and experimentally analyze the transmission traits of novel Sagnac loop, and realize dual-wavelength and single wavelength output switchable ring fiber laser through adjusting PCs.
我们理论和实验上分析了该新型滤波器透射特性，并在此基础上通过调节PC实现了双波长和各自单波长输出的环形腔光纤激光器。
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