Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通过测量后向反射波与入射波的强度比,可以确定介质的三阶极化率。
The frost heave ratio, as an index of classification of frost susceptibility for sandy gravel, mainly depends on not only the. content of fine grained soil but also its freezing condition.
饱水砂砾料冻结时之冻胀敏感性,以冻胀率的大小作为分类指标。它主要受细粒土含量及冻结条件的影响。
The frost heave ratio, as an index of classification of frost susceptibility for sandy gravel, mainly depends on not only the. content of fine grained soil but also its freezing condition.
饱水砂砾料冻结时之冻胀敏感性,以冻胀率的大小作为分类指标。它主要受细粒土含量及冻结条件的影响。
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