The new fluoride optical fibre is only a little bigger around than a human hair, yet each could carry 10,000 telephone messages at one time for thousands of kilometers.
这种新的氟化光导纤维只比人的头发粗一点点，然而每一条这种纤维都可以在一千公里内同时传输10,000条电话讯息。
Scientists caution that the new fluoride optical fibre is still only experimental.
科学家谨慎表示这种氟化光纤目前仍处于实验阶段。
Scientists caution that the new fluoride optical fibre is still only experimental.
科学家谨慎表示这种氟化光纤目前仍处于实验阶段。
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