Finally, the model is used to calculate the variations of canopy shape, the variations of canopy projection area and the tension of suspension lines during initial inflation phase.

最后利用模型计算了初始充气阶段伞衣形状变化、伞衣投影面积变化及伞绳张力。

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The model was used to calculate the variations of the canopy shape, the variations of canopy projection area and the tension of the suspension line during the final inflation phase.

利用模型计算了主充气阶段伞衣形状变化、伞衣投影面积变化及伞绳张力。

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The diameters and projection area of the articular surfaces, contributed to the formation of the sacroiliac joint, were determined on 50 sets of pelvic bones with image analysing apparatus.

本研究应用图像分析仪，测定了50付髋骨与骶骨骶髂关节面的纵径、横径和投影面积。

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The Centre also includes three classrooms that will be used for journalism courses, computer training and English lessons, as well as a conference area and projection room that will be used as the base for a cinema club.

UNESCO: Communication and Information