quarter section

The first transmission zero and the third transmission zero are caused by the quarter-wavelength and three-quarter-wavelength resonant of the two-section open stub.

第一个和第三个传输零点分别由两段式开路枝节的四分之一波长谐振和四分之三波长谐振产生，通带之间的传输零点由一段式开路枝节的四分之一波长谐振产生。

quarter section cricoid split: its effect on cartilage growth in rabbits

双侧裂开对兔环状软骨生长发育的影响

The development of global sports enjoys a universal attention, especially international sports games. Today, the sports section of some daily newspapers often makes up as much as one quarter of the whole.

特别是国际的竞技体育，随着经济的发展和社会进步，愈来愈引起社会广泛的关注。如今，全球许多报纸的体育版往往能够占到整个报纸的近四分之一。