sigma

Sigma Octantis.

南极座σ星。

The deta-sigma ADC is composed of analog deta-sigma modulator and decimator.

模拟过采样调制器还可以应用于处理音频信号D类功率放大器中。

The Six Sigma Black Belt should be able to read values from a cumulative frequency ogive.

6西格玛黑带应能从累计频次尖顶部读出数值。

57. The Six Sigma Black Belt should be able to read values from a cumulative frequency ogive.

译文：六西格玛黑带应该能够从累计频次分布中读出数值。

The THFA product of hydrogenation in common pressure has been used in enzymatic reaction and expressed the same result as that of THFA from Sigma, the cost of reduction by hydroborates is lower.

常压氢化法产品已用来代替进口试剂作为酶促反应辅酶，但硼氢化物还原法成本最低，且能合成满足酶促反应要求产物。