femtometer

n.

千万亿分之一公尺；

Femtometer toroidal structures in nuclei
Femtometer resolution optical wavelength meter
Detection of Femtometer Deformations of Semiconductor Devices in Operation Using an Optical Lever
Nuclear constraints on non-Newtonian gravity at femtometer scale
Femtometer accuracy EXAFS measurements: Isotopic effect in the first, second and third coordination shells of germanium
Femtometer-Resolution Wavelength Interrogation of a Phase-Shifted Fiber Bragg Grating Sensor Using an Optoelectronic Oscillator
200 femtometer sensitivity for near-field analysis of surface acoustic waves in a scanning electron / scanning probe microscope hybr...
Acquisition of phase-shift fiber grating spectra with 23.5 femtometer spectral resolution using DFB-LD.
Measurement of transient atomic displacements in thin films with picosecond and femtometer resolution.
Transport model analysis of particle correlations in relativistic heavy ion collisions at femtometer scales