1.
twin eyelid
双调节片的调节喷口
2.
PLC Based Double-Regulating Governor for Pumped Turbines;
基于PLC的抽水蓄能双调整调速器研究
3.
Design for Rational Bézier Harmonic/Biharmonic Surfaces
有理Bézier调和与双调和曲面的设计
4.
Double-black duotone: A duotone created from two black plates.
双黑双色调:由两块黑版印制的双色调。
5.
simplex/duplex modem
单工／双工调制解调
6.
Single, Dual and Tri Tones have been defined in full.
单音调、双音调和三音调已被充分讲解。
7.
FM broadcasting--Dual programmes
GB4311.4-1987调频广播双节目
8.
double tone colour
双色调色（深浅同色效果）
9.
autoleveller bicoil draw box
自调匀整双圈条练条机
10.
double-sideband suppressed-carrier modulation
抑制载波的双边带调制
11.
tunable birefringent filter
可调谐双折射滤光器
12.
double-sideband suppressed carrier modulator
双边带抑制载波调制器
13.
double stage voltage regulator
双节电磁振动式调节器
14.
active/monitor regulator
常用及后备双重调压器
15.
double cavity klystron amplifier
双腔式速调管放大器
16.
asymmetric double-chamber surge tank
不对称式双室调压井
17.
double cavity klystron for oscillator
振荡器用双腔速调管
18.
a double-reed woodwind similar to an oboe by lower in pitch.
类似于低调双簧管的双簧木制乐器。