1) effective word number
有效字号
2) significant instant of digital signal
数字信号的有效时刻
3) significant instants of a digital signal
数字信号的有效瞬时
4) effective signal
有效信号
1.
Starting from heavy energy losses of effective signal that is a key factor of influence on the quality of seismic data on complex mountains,the paper systematically analyzed the factors causing energy losses of effective signal,absorption on surface and in strat.
本文基于影响复杂山地地震资料品质的关键因素——有效信号能量损失严重 ,系统地分析了造成有效信号能量损失的原因 (地表层的吸收、散射 ,地层的吸收、散射和屏蔽 )。
5) effective symbol
有效符号
6) significant digit
有效数字
1.
Reasonable expression of digit numbers of significant digits in agricultural papers;
农科论文中有效数字位数的准确表达
2.
The meaning and application of significant digit in the argrochemistry analysis;
有效数字在农业化学分析中的意义和应用
3.
the relations between significant digit,relative error,rounding off,the computation and so on were introduced.
介绍了有效数字与相对误差的关系,有效数字的记录、修约、计算等,强调了在分析化学中树立正确的有效数字概念的重要性。
补充资料:卖字号
1.喻人夸耀自己的身价。"字号",指店名招牌。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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