We find that when the collapsing bubble approaches its minimum radius, a high pressure layer just outside the bubble is generated which gradually moves outward and subsequently forms a shock wave.
计算还发现，当气泡接近它的最小半径处，气泡外围形成很薄的高压区，这个高压区域随后向外传播，这就形成冲击波。
The anchor bolting has been widely applied in supporting structure of deep foundation pit in high building, and it maintains safety of protection structure with soil layer fixed pressure.
锚杆已广泛应用于高层建筑基坑的支护结构中，它利用地层的锚固力维持结构物的稳定。
A site including expansive soil layer with high swelling pressure is chosen to illustrate the influence of thickness and position of expansive soil layer on upheaval deformations.
对一个含高膨胀压力的膨胀土层的场地计算了地面上抬变形，以说明膨胀层位置及厚度对地面上抬变形的影响。
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