in vacuo造句

• The mixture is then distilled in vacuo .
  然后将混合物进行真空蒸馏。
• According to phenomena observed during total solar eclipse , it can be pointed out that the velocity of gravitational field wave is equal to the velocity of light in vacuo
  摘要据日全食时的现象能够得出：在真空中，引力波的传播速度和光波的传播速度相等。