The influence of hair fibre with different mix amount and length on the bending strength of cement were studied experimentally and the optimum mix amount and length have been found.
通过实验研究了不同掺量、不同长度的毛发纤维对水泥抗折强度的影响，找出了最佳长度和最佳掺量。
2
In additon, ways to raise the efficiency of the illumination transmission are also stated in the following three aspects: photoimpact, distributed branch fibre beams and optimum optical fibre beams.
从光耦合、配置分支纤维束和优选光导纤维束三个方面论述提高光传输效率的途径。
3
It is common recognized in information industry that optical fibre-coaxial network is the optimum wideband transmission network, which has been widely used in CATV and communication industry.