Unlike the double Z, which leaves multiple vertical scars, the V-Y leaves only a single vertical scar.

双重Z会留下多条垂直伤疤，V - Y则只留下一条垂直疤痕。

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Granule morphology of granulated blast furnace slag powders prepared with vertical mill (GBFS-V) and close circuit ball mill (GBFS-B) respectively were observed with SEM.

采用扫描电镜对球磨高炉矿渣粉体和立磨高炉矿渣粉体的颗粒形貌进行了观察。

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The etiology of V pattern deviation are vertical muscle dysfunction, including the primary inferior oblique muscle overreaction 28 (58%), congenital superior oblique muscle paralysis 20 (42%).

引起V型斜视的常见原因为斜肌功能异常，包括原发性下斜肌功能亢进28例（58％），先天性上斜肌麻痹20例（42％）。

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He also ordered the Joint Vertical Aircraft Road Map Task Force to assess the V-22 production profile alternatives against the department's overall investment in the rotary wing industrial sector and the eventual needs to replace and or refurbish aging aircraft.

CENTERFORSECURITYPOLICY: Center For Security Policy