The effect of the velocity threshold was analyzed by using the models.
最后利用此模型分析了速度阈值的作用。
Under the same destruction percentage moss crust has the highest threshold velocity, followed by lichen crust, algal and algal-lichen crusts in succession.
相同破损率条件下，起动风速以苔藓结皮最大、地衣结皮次之、藻结皮和藻类地衣结皮最小。
There was no obvious recovery of nerve conduction velocity and threshold when the decompression was performed 4 and 6 weeks after continuously compression.
而持续受压4及6周减压手术后神经传导速度和阈强度恢复不明显。
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