| 词汇 | sigma |
| 释义 | sigma noun[ C or U ] language, mathematics, scienceuk /ˈsɪɡ.mə/ us /ˈsɪɡ.mə/(symbolΣ, σ) the 18th letter of the Greek alphabet希腊语字母表的第18个字母 Letters of alphabets aitch alphabet alphabetic alphabetical alphabetically alphabetization alphanumeric alphanumerically B, b I, i iota J, j K, k kappa psi Q, q rho S, s T, t zeta Examples of sigmasigma The bold sigma here stands for the syllable containing the measured token. Standardness and prestandardness in decreasing sequences of sigma-fields. The properties of the posterior distribution are obtained from the properties of the transformed sigma points. Table 1 lists the samples with information on their provenience and their calibrated dates with onesigma and two-sigma ranges. Eukaryotes do not have sigma factors either but need several other transcription factors for initiation. For initiation and promoter recognition, bacteria rely on the sigma factor subunit. So the reader should mainly be thinking of non-compact sigma-compact manifolds. This method, however, is not suitable for reliability analysis at high sigma levels. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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