great congregation of birds flew overhead ., 一大群鳥從頭上飛過.
+longitudinal congregation
1 . 縱向群
in the amplifying process of traditona1 traveling wave tube TWT with longitudinal congregation of electrons , space-charge effect will lead to nonlinear effect affecting output properties of TWT .在傳統行波管的放大過程中,隨著電子縱向群聚的加深,由于空間電荷效應導致的非線性效應,影響了行波管的輸出性能。
...部 Congregation for Institutes of Consecrated Life and Societies of Apostolic Life。 religious congregation:修會;獻身生活團體:男女教友獻身教會,矢發貧窮(神貧)、貞潔、服從三愿,度共同獻身生活之團體。此類團體系天主教體制內之社.