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单词
variable neutral density filter
释义
variable neutral density filter
Encyclopedia
艺术学
彩色黑白兼用滤光镜
释
variable neutral density filter
可变中性密度滤光镜
通过转动滤光镜上的调节环,可连续均匀改变其通光能力的滤光镜。又称可调减光镜、POL退光镜(Pol Fader),B+W公司称其为双偏振镜(Double Polarizer)。
随便看
unstable equilibrium
unstable fixed point
unstable flow
unstable improper node
unstable isotope
unstable limit cycle
unstable logical theory
unstable manifold
unstable mapping
unstable method
unstable node
unstable non-darcy seepage of rock mass
unstable nuclear region
unstable particle
unstable point
unstable problem
unstable separatrix
unstable slope
unstable solution
unstable spectrum
unstable spiral point
unstable state
unstable state kinetics
unstable submanifold
unstable subspace
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