band index

基本解释

PbTiO 3 amorphous thin films refractive index band gap.
标签 PbTiO3 无定形薄膜折射率禁带宽度。
Or, wrap a rubber band from your index finger to your pinky and move your index finger away from the other fingers.
或者，将你的食指至小指用橡皮筋绑在一起，移动食指使其远离其他的手指。
Finite integration technique (FIT) is used to simulate the effects of shape change and optical printing precision on resonant frequency and the pass band of negative refractive index material.
下面利用有限积分法模拟形状变化和光刻精度产生的缺陷对负折射谐振频率和通带的影响。

The similarly sized Abu Dhabi Investment Authority has been cutting its equity allocation to the lower end of its target band of 40-55% of assets, and giving more to index-trackers and less to expensive active managers.
ECONOMIST: The flows are neither as big nor as scary as they once seemed