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- AM-紧算子 AM-compact operator
- 紧算子的正逼近 Positive approximant of compact operators
- 套代数弱闭模中紧算子空间的等距映射 Isometries of Compact Operators Spaces in Weakly Closed Modules of Nest Algebras
- 自共轭半正定紧算子方程简化迭代的误差估计 Error Estimate to the Simplified Iteration for the Positive Semi-Definite, Compact and Self-Adjoint Operator Equation
- 一类非连续非紧算子方程解的存在唯一性及应用 Existence uniqueness of solutions of some non-continual and non-compact operator equations and its applications
- 紧固件 fastening piece
- 紧的 tight
- 算子 operator
- 拧紧 screw down
- 夹紧 clamp
- 紧固 tightening
- 要紧 urgent
- 压紧 compress
- 紧靠 abut upon
- 拉紧 tense
- 锁紧 lock(-)in
- 紧随 at one's heels
- 绷紧 tighten
- 不紧 loosely
- 锁紧螺母 locknut
