2 sentences

1. 光纤可以高速传输数据。

   guāng​xiān kě​yǐ gāo​sù chuán​shū shù​jù.

   Optical fibers can transmit data at high speeds.

   Source: Dong Chinese Dictionary

2. 这种新型光纤大大提高了数据传输的稳定性。

   zhè zhǒng xīn​xíng guāng​xiān dà​dà tí​gāo le shù​jù chuán​shū de wěn​dìng​xìng.

   This new type of optical fiber has greatly improved the stability of data transmission.

   Source: Dong Chinese Dictionary