本实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象,对不同肋间距的横肋变截面U型通道的换热特性进行了研究。
The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.
岸边起重机结构中有许多长的弹性圆截面杆件,自振频率比较低,很容易发生横风共振。
There are many long and elastic round cross-section rod structures in quayside container crane, whose frequency are so low that it is easy to arouse crosswind resonance.
首先介绍了现浇空心板截面“横肋附加刚度法”理论计算模型,进而实现在进行结构设计计算时,采用该模型,充分发挥现浇空心板截面刚度大的优良结构性能。
The paper introduced the theoretical model of "method of reinforced stiffness through cross rib" firstly, which the excellent structural capability of reinforced concrete cast-in.
In that case, we understand it as a sequence of cross-sections rather than something that somehow organically changes through time.
这样,我们就是在学习一个个语言的横截面,而不是语言自然的变化过程。
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