The dual-reflex bandpass, due to the fact that its ports control cone motion over a wider range of frequencies, produces the least distortion and exhibits the best power-handling characteristics.
双反射带通箱，由于它的导向孔在很大的频率范围内控制了锥盆动作，所以产生的失真最小，同时还表现出最好的功率承受特性。
This paper takes Xichou cone karst area as an example to discuss the characteristics of ecological environment in karst area of southeastern Yunnan.
本文以云南省西畴石灰岩峰丛地区为例探讨了滇东南喀斯特生态环境的特点；
The governing equations of dynamic pressure distribution, i. e. dynamic cone Reynolds equations are derived. The calculating models of dynamic characteristics of cone plain bearing are given.
针对精密机床主轴系统中应用广泛的圆锥形滑动轴承，建立起了动态压力分布控制方程——圆锥动态雷诺方程，给出了动特性系数计算的数学模型。
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