英语词汇“theoretical and technical difficult problems”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	theoretical and technical difficult problems
释义	theoretical and technical difficult problems 技术理论难题
随便看	non-negative characteristic non-negative characteristic form nonnegative combination nonnegative condition non negative condition nonnegative constrained least-squares algorithm nonnegative constrains nonnegative constraint nonnegative curvature nonnegative data nonnegative decomposition nonnegative definite non-negative definite nonnegative definite form nonnegative definite matrices nonnegative definite matrix nonnegative definiteness non-negative definite quadratic estimate nonnegative divisor Non-negative equilibria nonnegative equilibrium nonnegative estimate nonnegative estimator nonnegative form nonnegative function