By regular rate we mean that the amount of time that each chord holds is exactly the same; every chord holds for the same length of time.
如果变化频率规则,那么和声中每个和弦持续的时间长度是完全相同的,每个和弦都持续同样长的时间。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理,提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率,进而实现垂直升降的方法。
The coordinate value of corresponding profile may be obtained quickly so long as the length of the chord of arbitrary oblique section is computed, without solving the complex equation of the surface.
只要算出任意斜截面的弦长,就可以很快地得到对应外形的坐标值,而无需求解复杂的曲面方程。
We do abundant computer simulation to compute average chord length and average section area.
我们通过大量模型来计算平均截弦长度和平均晶粒截面积。
The exact computing formulas for the normal chord length and the set angle of the gear tooth micrometer callipers have been derived here.
本文导出了法向弦长和公法线千分尺安置角的精确计算公式。
Based on the error theory, we strictly deduce where is the optimum measuring point and when the standard error of arch-height and that of chord - length are both defined in this paper.
本文从误差的传递着手,严密推证了弓高及弦长测量的标准差取不同值时最佳测量点的位置。
This paper describes the method that the irregular curve is fitted with accumulated chord length parametric cubic spline.
用累加弦长参数三次样条拟合不规则曲线,使拟合后的曲线光滑圆顺。
The fitted curve is smooth and continuous. The accumulated chord length is used as virtual interpolation datum axis.
然后用累加弦长作为虚拟的插补基准轴,提出了一种基于虚拟基准轴的插补新算法。
Conclusion: We use L as arch length and H as chord length to bend syringe needle that is used to posterior superior alveolar nerve block anesthesia by intraoral injection. The success rate is 98%.
结论:以牙槽孔至颧下嵴起始部的弧长和弦长为标准弯制注射针头,采用口内注射法进行上牙槽后神经阻滞麻醉,成功率为98%。
This paper analyses the traditional automatic control method and mechanism of nc cold frame bender. The basic principle of control method for measuring chord length is described.
分析了传统的数控肋骨冷弯机控制方法与机构,阐述了弦线测量控制法的基本原理。
Influence of chord length and boundary conditions on the axial capacity of circular tubular TT-joints.
弦管长度和边界条件对TT型圆管节点轴向承载力的影响。
The time estimation of arc movement was more close to the linear movement with the arc length than the chord length.
对弧线运动的时间估计,相比较与其运动轨迹等长的直线运动,更加接近于与其弦长等长的直线运动。
A method of three dimensional grid auto generation of the ship wet surface is presented in this paper, with the accumulative chord length cubic parameter spline theory being utilized.
运用累加弦长的三次参数样条函数理论,提出了一种实现船体三维湿表面网格自动生成的方法。
As the top surface of all truss chords are required to follow the surface geometry of the roof, this has the effect of requiring that top chord boxes will twist along their length.
屋顶的最高表面的全部几何学能被定义为金牛座的内部表面。所有桁架弦杆的最高表面必须要遵循屋顶的表面几何学,将会产生需要的效果,顶部的弦杆会沿着他们的长度而扭曲。
A new detecting means of automatic control based on control method of measuring chord length is proposed. And a mathematical model of the new method is also established.
据此建立了新的控制检测方法的数学模型,提出了基于弦线测量控制法的新的控制检测方法。
The influences of re based on the blade chord length and coolant-gas flux ratio are tested, and comparison is made between the effect of the converging-expanding hole rows and cylindrical hole rows.
研究了基于叶片弦长的主流雷诺数和二次流-主流流量比对冷却效率的影响,并与叶片上圆柱形孔排的气膜冷却效率分布进行了对比。
The study shows that: Mini-TED changes the curvature of trailing edge and increases effective aerodynamic chord length for high lift system, is an additional 'aerodynamic flap'.
研究表明:微型后缘装置明显改变了襟翼后缘弯度,对襟翼流动产生有利诱导作用,拓展加长了增升装置的有效“气动弦长”,是一种附加“气动襟翼”。
The study shows that: Mini-TED changes the curvature of trailing edge and increases effective aerodynamic chord length for high lift system, is an additional 'aerodynamic flap'.
研究表明:微型后缘装置明显改变了襟翼后缘弯度,对襟翼流动产生有利诱导作用,拓展加长了增升装置的有效“气动弦长”,是一种附加“气动襟翼”。
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