1) second-order harmonic component
二阶谐量
2) second order harmonic mode
二阶谐波
1.
The experiment result showed that sinusoidal tube can effectively inhibit second order harmonic mode,increase first order pressure amplitude and lower down heating block temperature.
在一定加热功率下,正弦管能有效抑制系统产生的二阶谐波,提高一阶压力波动幅值并降低加热块温度。
3) second moment
二阶矩量
1.
Accurate expression of the second moments for Meyer-Knig-Zeller operators defined on the triangle;
三角域上Meyer-Knig-Zeller算子的二阶矩量的精确表示
2.
This paper offered the accurate expressions of the second moments for the Meyer-Knig-Zeller operators that are defined on the simplex and of the Meyer-Knig-Zeller operators that are defined on the triangle.
得到了单纯形上Meyer-K nig-Zeller算子与三角域上Meyer-K nig-Zeller算子的二阶矩量的准确表示式。
4) two-stage parametric
二阶参量
5) second-order increment
二阶增量
6) second harmonic reflection
二阶谐波反射
补充资料:安谐
1.和谐。
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