tell a from b

释义

区分A与B；

Water Conservancy in War
Stoneflies as ecological engineers – hungry predators reduce fine sediments in stream beds
High-speed modulation of vertical cavity surface emitting lasers
Fast nonlinear optical response from proton‐bombarded multiple quantum well structures
Fast nonlinear response from proton-bombarded multiple quantum well structures
CONTRIBUTION A L'AMELIORATION DE L'APTITUDE FROMAGERE DU LAIT CAMELIN : ETUDE DES CONDITIONS DE CONSERVATION DES ENZYMES GASTRIQUES ...
Variations of Total Phosphorus and Nitrogen Levels in Rain Water
Aluminum ion‐implantation enhanced intermixing of GaAs‐AlGaAs quantum‐well structures
Relatively inexpensive thermoformable mat and rigid laminate formed therefrom
Methane production from horse manure and stall waste with softwood bedding