unimproved

adj.

（土地）未加改良的，未耕种的；

Unimproved chest pain in patients with minimal or no coronary disease: a behavioral phenomenon
Core symptoms of posttraumatic stress disorder unimproved by alprazolam treatment.
Mycorrhizal Dependency and Nutrient Uptake by Improved and Unimproved Corn and Soybean Cultivars
Changes in genetic diversity parameters in unimproved and improved populations of teak ( Tectona grandis L.f.) in Karnataka state, ...
Molecular analysis of bacterial community structure and diversity in unimproved and imporved upland grass pastures
Improved remission induction rate with D-ZAPO but unimproved remission duration with addition of immunotherapy to chemotherapy in pr...
Observations on the indirect transmission of virulent ovine footrot in sheep yards and its spread in sheep on unimproved pasture.
Braun P, Greenberg D, Dasberg H, Lerer B. Core symptoms of posttraumatic stress disorder unimproved by alprazolam treatment. J Clin ...
Long-term changes in performance and meat quality of Danish Landrace pigs: a study on a current compared with an unimproved genotype
Intermittent slow sand filtration for preventing diarrhoea among children in Kenyan households using unimproved water sources: rando...