back spreads 中文意思是什麼

back spreads 解釋
反套利
  • back : n 1 背，背部；背脊；背面，反面；背後，後部，後面，裏面。2 （指）甲；（刀）背；（手）背；（書）背...
  • spreads : 價差
  1. The recorded maritime fraud dates back to 360 b. c. with the development of international trade and international shipping industry, international maritime fraud spreads and even becomes rampant, especially since 1970s

    海事欺詐由來已久，它與海上貿易幾乎一樣古老，有記載的海事欺詐案可以追溯到公元前360年。隨著國際貿易和國際航運業的迅猛發展，國際海事欺詐也日益蔓延和猖獗。
  2. When targets penetrated by flat - ended projectile, shear deformation along the penetration direction appears, at the same time compressive deformation also appears in the material that is in front of the projectile. the compressive deformation begins at the back surface of the target and spreads inward

    鈍頭彈侵徹下，側壁材料發生軸向剪切變形，同時，彈體前方的材料發生壓縮變形，壓縮變形首先在靶板背表面開始，而後自背表面向靶內傳播。
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