没花的是打扰
发表于 2025-3-26 22:15:46
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Banquet
发表于 2025-3-27 02:43:44
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Aura231
发表于 2025-3-27 05:32:21
Propagation in Monomode Fibres,s a consequence of these and other problems, recent years have seen a massive shift of interest worldwide to the use of monomode fibres for applications calling for high bandwidths and/or long lengths between repeaters. Progress in monomode fibre technology has been rapid, and this chapter aims to g
严厉批评
发表于 2025-3-27 11:42:02
Semiconductor Luminescence,us, instead of discussing rays or modes of dielectric waveguides, we must now think in terms of the concepts of solid state physics, namely energy bands, semiconductor device principles, materials growth, etc. This chapter therefore serves to introduce some key features of the subject which are esse
歪曲道理
发表于 2025-3-27 15:18:16
Light-Emitting Diodes, to fabricate and therefore potentially cheap, can be modulated at high data rates, and emit moderate output powers which can be coupled reasonably efficiently into optical fibres. In this chapter we outline some of the main factors which influence the final design. These include the structure, whic
Tracheotomy
发表于 2025-3-27 17:51:00
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字的误用
发表于 2025-3-27 21:55:02
10楼
invulnerable
发表于 2025-3-28 02:18:00
10楼