“second-order difference”的概念、定义、翻译、参考文献-科学参考

单词	second-order difference
释义	second-order difference [`sek·ǝnd ¦ȯr·dǝr `dif·rǝns] ^MATHEMATICS One of the first-order differences of the sequence formed by taking the first-order differences of a given sequence.
随便看	signal strength signal-strength meter signal-to-interference ratio signal-to-noise improvement factor signal-to-noise ratio signal tower signal tracer signal voltage signal wave signal-wave envelope signal winding sign-and-magnitude code signature sign bit sign check indicator sign-control flip-flop sign convention sign digit signed decimal signed field signed integer signed measure signet-ring cell sign flag significance

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