以下关于空芯光纤说法正确的有? Which of the following statements about hollow fiber are true?
A.
空芯光纤无法形成全反射 Hollow fiber can't form total reflection.
B.
空芯光纤比实心光纤传输速度快 Hollow fiber can transmit data faster than solid fiber.
C.
空芯光纤可传可见光信号 Hollow fiber can transmit visible light signal.
D.
在不弯曲情况下空芯光纤的衰减小 The attenuation of hollow fiber is small without bending.