| 双周刊 biweekly |
| 双周期函数 doubly periodic function |
| 双响 a firecracker which goes off... |
| 双唇音 bilabial |
| 双唇齿音 bilabiodental |
| 双喜 double happiness |
| 双喜临门 A double blessing has descen... |
| 双喷管火箭 double nozzled rocket |
| 双因贸易条件 double-factorial terms of tr... |
| 双圈饼干 pretzel |
| 双基地测量 bistatic measurement |
| 双基地雷达 bistatic radar |
| 双基地雷达网 bistatic radar fence |
| 双基地雷达距离方程式 bistatic radar range equatio... |
| 双基火箭推进剂 double-base rocket propellan... |
| 双声 alliteration tone |
| 双声子 biphonon |
| 双声源 double sound source |
| 双声道 dual track |
| 双声道磁带录声机 dual-track tape recorder |
| 双声道立体声 stereophony |
| 双声道立体声收音机 stereo receiver |
| 双壳电弧炉 SKF double furnace |
| 双外差法 double heterodyne system |
| 双外延法 double epitaxial method |
