swallow-tailed 中文意思是什麼

swallow-tailed 解釋
燕尾形的
  • swallow : n 【鳥類】燕子。 One swallow does not make a summer 一隻燕子不成夏天,不可光憑偶然現象就下斷語。 ...
  • tailed : 帶尾翼的
  1. Uncle sam is often caricatured as a tall, thin man with red and white striped pants, a swallow - tailed coat, and a tall, silk hat

    漫畫中的山姆大叔常畫成又高又瘦,穿著紅白條紋的褲子,燕尾服,戴一頂高高的絲禮帽。
  2. The brick cutter including swallow - tailed slide is substituted for bar slide

    該機採用燕尾式作滑道結構代替滑桿式結構的新一代切坯機。
  3. Considering the influence of high evanescent modes, we have obtained the common theory. by the comparing between theoretical calculation and experimental data, we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure. then, five representative shapes are chosen and researched particularly ( triangle shape, cosine shape, trapezoid shape, rectangular shape and swallow - tailed shape )

    主要工作成果和創新之處在於: 1 .通過考慮高次模式的影響,獲得了一種更為精確分析任意槽形螺旋槽結構的普遍理論,經與實驗測量值比較,發現它更能準確可靠地描述此類螺旋慢波結構的高頻特性,然後詳細研究了五種槽形狀(三角形槽、餘弦形槽、梯形槽、矩形槽和燕尾形槽)對螺旋槽慢波系統導波特性的影響。
  4. ( c ) for the helical swallow - tailed structures with same groove width, the deep groove depth one which is suitable for the use in a interaction system of high power twts, has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles

    ( 3 )具有相同槽日寬度的燕尾形螺旋槽結構在槽深度較深情況下用作大功率行波管的互作用系統具有最大的耦合阻抗和最低的相速。
  5. The results show that : ( a ) the influence of the groove shape on the low cut - off frequency is great at certain groove depth ; the high cut - off frequency is gradually lowered from triangle profile, cosine profile to swallow - tailed profile

    結論為: ( 1 )槽深較大情況下,槽形狀對截至頻率影響較大,槽形狀從三角形變化到燕尾形,截至頻率依次降低。
  6. The results show that : ( a ) the influence of the groove shape on the high cut - off frequency is great at certain groove depth ; the high cut - off frequency is gradually lowered from triangle profile, cosine profile to swallow - tailed profile

    結論為:中文摘要( 1 )適當槽深情況下,槽形狀對高截止頻率影響較大;槽形狀從三角形變化到餘弦形直到燕尾形,高截止頻率依次降低。
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