分别对冷态条件下，无隙锥形旋流器燃烧室前扩压器内流场的分叉现象以及燃烧室内燃烧空间的流场分叉现象进行了数值模拟计算。
The numerical simulations of bifurcation phenomena in a combustor with a non slot conical swirler and in a diffuser fixed before the non slot conical swirler have been carried out.
通过实验室相似模拟试验，对综放面收尾撤架空间的顶板稳定性进行了研究。
In the light of analogue test in laboratory, the stability of roof of fully mechanized working face with top coal caving is studied during withdrawing support at stop line.
要在实验室有限空间内用三元天线阵列模拟目标，就得承受一定的幅度和相位不均匀性。
Generally if a target is to be simulated by a 3-element antenna array in the limited space of a laboratory, inhomogeneity to some extent of the amplitude and the phase will occur.
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