根据胜利油田典型地质模型的构造特点，本文提出了变密度声波方程交错网格高阶差分正演方法。

According to structural feature of typical geologic models in Shengli oilfield, the paper presented staggering mesh high-order difference forward simulation of density-variated acoustic equation.

youdao

寻找主题-例如，非人类行动，表意活动的实验室实践，社会构造论评价-这与我们的课文交错。

Look for themes - e. g. nonhuman agency, laboratory practice as semiotic activity, critiques of social constructionism - that cross-cut the texts we've encountered.

youdao

基于交错方法构造出了一类新的伪随机序列，称为GMW相控序列。

Based on the interleave method, a new class of binary pseudorandom sequences is constructed, which is called GMW Phase Controlled sequence (or GMW PC sequence).

youdao