System performance is evaluated by bit error rate (BER).
系统的性能由比特错误率(BER)来衡量。
Profile error of complex surface was common and difficult to be measured and evaluated.
复杂曲面的面轮廓度是一个应用广泛而又难于测量和评定的问题。
An error occurred as the expression was being evaluated.
在计算表达式时发生错误。
An error occurred as the expression was being evaluated.
在计算表达式时发生错误。
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