The Crystal Vortex of Arkansas therefore has a greater importance to those of the Northern Hemisphere, and the same is true of the Brazilian Crystal Vortex for the southern half of your planet.
因此，阿肯色州水晶漩涡对北半球有更大的重要性，同样的，巴西的水晶漩涡对南半球也有同等的重要性。
2
The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.
其中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。
3
Of a sudden, the oft-told family tales to which she had listened since babyhood, listened half-bored, impatient and but partly comprehending, were crystal clear.