continuous box girder with one box double cells
single box double room box girder
combination of fire needle and warm needle moxibustion
Femoral vein single lumen needle and double lumen needle
non-coring injection needle Huber needle
3d electron configuration state
3D electron density distributions
a product of electron density and barrier width
Aberration of electron optical systems
Aberration-corrected transmission electron microscopy
accelerated electron engine