Waist and rib section exercise: cross ten fingers and put back of the head, chin up and chest out, expand the arms.
腰肋部运动：十指交叉抱于脑后，挺胸抬头，两臂外展。
Based on the above analysis, a discontinuous cross rib plate for plate heat exchanger is proposed.
提出了用于板式换热器的新型不连续交叉肋板片。
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.
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 method using interference rib is introduced, which simulate the wind vibration of round cross-section rod via the test, and gain some effect to reduce the vibration.
提出利用抗扰条肋抑制此类风致振动的方法，并通过试验方法模拟了圆截面杆件的风致振动，取得一定的振动抑制效果。
The mode dispersion characteristics and cut-off properties of rib waveguide with trapezoidal cross section are investigated.
变换伽辽金法对具有梯形截面脊形光波导的本征模式特性作了分析。
The cross section of arch rib except the part closed to the arch springer is new dumbbell-shaped section which is different from the traditional one.
该桥拱肋截面除拱脚段外采用与传统哑铃形截面不同的新型哑铃形截面。
The design methods of the link including confirmation of its length and cross section, design of its rib stiffener, design of its connection and lateral braces are emphasized.
着重阐述了消能梁段的设计方法，其中包括消能梁段的长度确定和截面选择，消能梁段的腹板加劲肋、连接和侧向支撑的设计。
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.
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。
In the design of rib arch bridge, the arch rib of variable cross section of weak transverse fixed is adapted usually.
在肋拱桥的设计中，常采用弱横向联系变截面拱肋。
The rib fractography of cross-linked PMMA has been explored by optical microscopy.
用光学显微镜观察了交联有机玻璃断面上的肋状形态。
This will simplify the designing of trapezoidal-cross-sectioned rib waveguides and increase the precision of practical device.
这一结论有利于简化梯形截面脊波导的设计，提高实际器件的精度。
This will simplify the designing of trapezoidal-cross-sectioned rib waveguides and increase the precision of practical device.
这一结论有利于简化梯形截面脊波导的设计，提高实际器件的精度。
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