来自希腊字母 Sigma,置换自希伯来字母 samekh,支撑，支柱。

1. The agreement with SIGMA anti - measles IgG EIA kit was 95.12 %.

与SIGMA麻疹IgGEIA诊断试剂盒的一致率为95.12%.

2. PCNA also employed Six Sigma quality processes.

PCNA也使用六Sigma质量程序.

3. This dissertation investigates the design techniques of power efficient , high - resolution, switched - capacitor sigma - delta AD converter.

本论文研究探讨了低功耗 、 高精度 、 开关电容型 Sigma -Delta模数转换器的设计.

4. Six Sigma is a data - base, the pursuit of almost perfect quality management method.

Sigma是一项以数据为基础, 追求几乎完美的质量管理方法.

5. The time and place of the sigma factors appearance have connection with two morphogenetic changes.

各sigma因子出现的时间与地点都与这两个形态结构的变化紧密相连.