半圆型沉箱导堤
semi-circular caisson training jetty
p型-本征型-n型半导体(PIN)
PIN(positive-intrisic-negative
光导(PC)型半导体探测器
photoconductive(PC) semiconductor detectors
光导PC型半导体探测器
photoconductive PC semiconductor detectors
InGaAs-GaAs脊波导半导体激光器
InGaAs-GaAs ridge waveguide lasers
n-p复合型半导体
n p type coupled semiconductor
PC型半导体探测器
Photoconductive semiconductor detector