concentric-ring treater 同心环式脱水器
Concentric Ring Model 同心环模式 ; 同心圆模式 ; 伯吉斯同心圆理论
concentric ring tripod 同心环三脚架
concentric ring structures [天] 同心环形山构造
concentric ring pattern 密集环形图案
Concentric Ring Probe Resistivity method 同心环探头阻抗测量法
Concentric-ring transducer 圆环活塞换能器
concentric ring electrodes 上专利同轴电极圈
concentric-ring 同心环
This paper focuses on the concentric ring fractal array of the low side lobe characteristics in fractal antenna arrays.
在分形阵列天线中重点研究了具有低旁瓣特性的共心圆环分形阵。
You learn in grade school that each ring in a tree represents a year. But there's more information hidden away in these concentric rings.
我们在小学就已经了解到，树木的每圈年轮代表一年，不过这些同心圆还隐藏这更多的信息。
Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.
金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。
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