straight blade

As a practical example, the mean value and standard deviation calculation formulas of 30 thermal performance design magnitudes of straight blade stages are given.

文中给出了汽轮机直叶片级30个热力设计量的均值和标准差的计算公式和应用实例。

Avoid cutting the fluff side, straight blade knife better than stripes;

在避免模切起毛方面，直纹刀比横纹刀好；

Comparison with available experimental data was made for three different impellers: backswept log-spiral blade, straight radial blade, and curved blade with backward sweep. Good agreement was obtained for the streamline and velocity distributions.

就三种不同叶片的叶轮后掠式对数螺旋线叶片，直线径向叶片，后掠弯曲叶轮比较它们已有的实验数据，流线与速度的分布基本相同。

Shun Dao has straight blade and hilt, no armguard.

顺刀为直刃直柄, 无护手.

Some problems on Characteristic Calculation of the straight blade vertical axis windmill

直叶片立轴风力机特性计算中的若干问题

In this paper, the existing studies on new blade tips are divided into three phases. First, the conventional rectangular tip is modified into the simple straight swept or tapered tip or combined sweep and taper configuration.

本文首先将桨尖形状的研究区分为三个层次：第一层次是从矩形桨尖到简单直线后掠或尖削或后掠尖削组合的变化；

On a dry, windy day, take a long polished sheet of metal ( a saw-blade will do) with a perfectly straight edge.

选一个晴朗，多风的日子，拿上一根较长，表面光亮，末端棱角分明的金属物（比如锯子的锯片）。

Steam turbine Straight blade Thermal performance design Probabilistic design Reliability analysis;

汽轮机；直叶片；热力设计；概率设计；可靠性分析；

In comparison with these of the straight cascade the blade positively curving reduces the quantity of the critical points, eliminates the upper passage vortex, and transform the closed separated flow of the secondary vortex along the blade tip suction side into the open separated flow.

与直叶栅比较，叶片正弯明显减少了壁面与横截面流场中奇点的数量，消除了上通道涡，并使叶顶吸力边的二次涡分离流动由闭式分离转变为开式分离。

In order to increase the efficiency and precision of eveling operation of track dozer, a track dozer model with blade moving straight forward was presented. A crawler dozer model with terrain sensing device was further designed on its basis, and a longitudinal leveling principle was suggested.

为提高履带式推土机平地作业的效率和精度，本文在提出表示铲刀纵前向运动的履带式推土机模型的基础上，进一步设计出带地形探测器的履带式推土机模型，并据此提出纵向找平原理。