Pre and post treatment arch width was measured.
比较治疗前后牙弓宽度变化。
The paper also introduces the design of the top supported pre-stressed tied arch and the main conclusions.
简要介绍了上承式预应力拉杆拱渡槽支承结构的设计和相关结论。
Today the more and more lifting equipment in middle or lower arch bridge are using pre-forced steel wring line and pre-forced anchor system.
目前，中(下)承式拱桥吊杆越来越多的采用预应力钢绞线和预应力群锚锚固体系。
The ARCH model and the nerval net model are often used in the model economic pre-warning.
模型预警法常使用ARCH模型预警与人工神经网络模型预警。
The ARCH model and the nerval net model are often used in the model economic pre-warning.
模型预警法常使用ARCH模型预警与人工神经网络模型预警。
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