In elastic mechanics, it is common practice to calculate critical loads in buckle of thin plates by means of double triangle series.
弹性薄板屈曲的临界压力计算，在弹性力学中一般都是采用双三角级数解法，计算过程比较复杂，工程中应用不方便。
With the advantage of compact structure, stable motion and no blind rock drilling area, double triangle boom is used in rocking drilling robot.
双三角钻臂具有结构紧凑、运行平稳、凿岩无盲区等优点，被凿岩机器人所采用。
Double triangle boom is a kind of directly positioning mechanism, it can remove the drill rod to a target position directly in its operating range.
双三角钻臂属于直接定位钻臂，在工作区间可将钎头直接移位到目标位置。
Tow base-band IJF pulse signal have been researched: the time-limited double-code rise cosine pulse and the time-limited double-code triangle pulse.
研究了两种基带IJ F脉冲信号：双码元间隔升余弦脉冲以及双码元间隔三角脉冲，并对它们的性能参数作了比较。
The double-face reflex reflection bodies comprise three double-face reflex reflection bodies which can form a triangle.
在上述三角形左右二边的双面回复反射体的承托板上端设有连接件；
More importantly, we shew that the two models enabled us to design new networks --- double star network and triangle network based on vector graphs.
更重要的是该模型能够使我们设计出了新的互连网络---双星网络和三角形网络。
Based on the model test and analysis of 3D limited units, this paper studies the internal force of lengthways stiffened bridge deck slab of double-triangle side box girder.
论文通过模型试验和空间有限元分析对具有双三角边箱主梁的纵向加劲桥面板的内力情况进行研究。
Based on the model test and analysis of 3D limited units, this paper studies the internal force of lengthways stiffened bridge deck slab of double-triangle side box girder.
论文通过模型试验和空间有限元分析对具有双三角边箱主梁的纵向加劲桥面板的内力情况进行研究。
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