裂紋底部 的英文怎麼說

中文拼音 [lièwénde]
裂紋底部 英文
base of crack
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  • : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
  • : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
  1. The echo of single hole was high, its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged, the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed

    單個孔洞反射回波高,前沿較尖銳;密集氣孔回波參差不齊,根互相連接;回波高而尖銳,波有所下降; 「鳥巢」缺陷的反射波根有若干小波峰出現。
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