There are a lot of mode wave patterns near P-wave velocity line in 2-D spectrum, which have dense special distribution and large amplitude when the radial thickness of model well is thicker ;
当模型井的径向厚度较大时，二维谱中纵波速度线附近的模式波类型较多，空间分布较密集，幅度也较大；
Results Compared with the D-galactose induced mouse model, apigenin could improve the ability of escaping electrical stimulation significantly(P<0.01).
结果腹腔注射芹黄素的小鼠学习能力和记忆保持率均显著优于模型对照组（P<0.01）。
The R. P. D. is presented in this paper. Except the usual ship model test, it is possible to carry out measurement of tests for the underwater model and multi-propeller shaft model.
本文提出的变磁阻式螺旋桨动力仪除用于水面船模试验外，并可用于水下模型及多桨轴模型试验。
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