permutation /ˌpɚmjuˈteɪʃən/ noun plural permutations
plural permutations
Learner's definition of PERMUTATION
[count] formal
: one of the many different ways or forms in which something exists or can be arranged变化组合；排列（方式）；置换 —
usually plural通常用复数 -
Computer technology, in all of its permutations, is here to stay.计算机技术将以各种形式扎根发展。
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Early permutations of the design look nothing like the final result.设计的早期形式与最后结果截然不同。
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I have heard various permutations of this theory.我听说过有关这一理论的不同版本。