唯一: only; sole; unique开拓: open up; reclaim; extension; ...定理: theorem蒂策开拓定理: tietze extension theorem唯一开拓: unique continuation唯一性定理: uniqueness theorem唯一存在定理: unique existence theorem唯一分解定理: unique decomposition theorem; uniquedecompositiontheorem唯一析因定理: unique factorization theorem一开: at the very start; surface section存在和唯一定理: existence and uniqueness theorem单一性定理, 唯一性定理: unicity theorem开拓: 1.(开辟; 扩展) open up; reclaim; extension; open-out prolongation; baring 开拓城乡市场 exploit the urban and rural markets; 开拓荒地 reclaim wasteland; 开拓市场 develop [explore] markets; 为发展石油工业开拓一条道路 open up a path for the development of oil industry; 开拓中美两国的联系 start contacts between china and the united states; 中国移民在十九世纪为开拓美洲大陆作出了贡献。 chinese settlers helped tame the american continent during the 19th century.2.[矿物学] (采掘前修建巷道等工序总称) developing; opening3.[数学] extension; 开拓成本 [经] develop cost; 开拓方法 development method; 开拓工程 development engineering; 开拓进尺 [煤矿] tunnelling footage; 开拓水道 [航海学] open lead; 开拓平巷 development drift; 开拓巷道 development working; 开拓钻孔 [采矿工程] development drilling; 开拓子 extensor唯一: only; sole; unique 唯一可行的办法 the only feasible way; 唯一出路 the only way out; 唯一的理由 the sole reason; 唯一的继承人 the sole heir; 唯一合法政府 sole legitimate government; 唯一宗旨 sole aim门一开: the door opened and she came in一开始: ab initio; at the outset; at the very start; first instant一开头: the first brush定理: (已经证明正确,可以作为原则或规律的命题或公式) theorem 基本定理 fundamental theorem; 几何定理 geometrical theorems; 定理验证[明] theorem proving 开拓地: polder开拓费: preliminary开拓工: developer开拓扑: compact-open topology开拓期: pioneering stage开拓区: development section开拓型: exploitive; pioneering