矩阵变换器发展展望
Technology review of matrix converter
秘密发展核武
pursue a secret nuclear-weapons programme
武器发展计划
Weapon development program
Weapon deve lopment program
敌制导武器发射阵位线
enemy airplane missile-launching line
绿色能源发展展望
green energy development prospect
气动式水下武器发射装置
underwater compressed air launcher
compressed-air launcher
青海电网发展展望
Prospect for Qinghai Network
热水器技术的发展展望
Development and Prospect of Water Heaters
武器发射计算机
WRC Weapons Release Computer
武器发射计算器
weapons delivery computer
WDC