variable-pitch造句

例句与造句

1. Nc milling - machine big size variable - pitch screw rod
   数控车铣加工大尺寸变螺距丝杠
2. Specifies a variable - pitch font
   指定间距可变的字体。
3. It has been well established by studies in reading that text printed with variable - pitch fonts is more readable than fixed - pitch font texts
   阅读用可变字体打印的文本比用等宽字体的文本更易读，这已被确定。
4. Based on 1mw wind turbine design , this paper offers one reasonable variable - pitch structure , which can response quickly and operate conveniently
   本文按照1mw风电机组总体方案要求，设计出一种结构合理，反应灵敏、操作方便的变桨距机构。
5. According to the effect of variable - pitch system , we can divide the operation process into three states : starting , below rated power and rated power
   变桨距风力发电机组根据变桨距系统所起的作用可分为三种运行状态，即风力发电机组的起动状态、欠功率状态和额定功率状态。
6. It's difficult to find variable-pitch in a sentence. 用variable-pitch造句挺难的
7. In this paper , different computation methods and the hydrodynamic performance of vertical - axis variable - pitch cycloidal ( voith - schneider ) rotor and kobold horizontal - axis rotor are studied
   本文以可调角直叶摆线式水轮机和蹼板式水轮机为对象，研究它们的水动力性能及其理论计算方法。
8. Compared with fix - pitch wind turbine , the variable - pitch wind turbine has the virtue : stable output power over rated power , high wind power coefficient , holding rated power at high wind speed , good starting and shut - off etc .
   变桨距风力发电机组与定桨距风力发电机组相比，在额定功率点以上输出功率平稳、具有较高的风能利用系数、能够确保高风速段的额定功率、起动性能与制动性能好等特点。
9. For the vertical - axis variable - pitch cycloidal rotor , the article unify hydrodynamic performance symbol at first , classify and trim the calculation methods and formula of predicting fluid dynamical capability of water - power rotor and wind - power wheel that have been formed up to now
   对于可调角直叶摆线式水轮机，首先统一定义了水动力性能符号，将已有的水力与风力转轮的流体动力性能理论计算方法和计算公式进行分类和整理。
10. Then , the methods that have been used to the vertical - axis variable - pitch cycloidal rotor are applied and the corresponding calculation formulas are formed . finally , the numerical results are presented and compared each other but yet they need farther examination and validation
    首先给出了一种阻力型计算方法；然后将计算摆线式水轮机的各种方法推广应用于蹼板式水轮机，得到了相应的计算公式；最后给出了数值结果，并进行了比较研究。
11. The result of computer and analysis based on blade elements theory shows us that we can regulate the rotate speed of wind turbine rotor by changing set angle and pitch h . variable - pitch system is the key component of the whole wind turbine , which can assure safely pitch - control and brake
    本文利用叶素理论，经计算分析得出：通过改变风力机安装角可以改变桨距h ，从而改变风力机的转速。变距机构是变桨距控制型风电机组实现变距控制和安全刹车的关键机构之一，它的运动由平动和转动两部分组成。
12. A hydrodynamic optimal method to enhance the energy conversion coefficient of the vertical - axis variable - pitch turbine is presented in this paper based on the analysis of the existing mathematical models , on the computational methods for predicting the hydrodynamic performance of turbines and on the available experimental results . by applying mathematical optimal theory , a mathematical model for optimizing the hydrodynamic attack angle of the blades of turbines is formulated and some numerical results are obtained as well
    本文在总结和研究竖轴可调角直叶水轮机水动力性能计算的现有数学模型，计算方法和实验结果的基础上，运用最优化理论，给出了改善和提高该种水轮机能量利用率的一种优化方法，建立了数学模型，并得到了计算结果。
13. At first an analysis of the basic principles of the vertical - axis variable - pitch turbine is given including two methods to calculate the induced velocity . one is the three different streamtube - methods which are single - disk single - streamtube ( sdst ) , double - disk single - streamtube ( ddst ) and multi - streamtube ( mtt ) method based on the momentum theory , the other is the vortex method ( vtth ) based on the potential eddy theory
    一是根据动量定理的流管模型得到的求解诱导速度的单盘面?单流管方法( sdst ) 、双盘面?单流管( ddst )方法、多流管( mtt )方法；二是根据势涡理论得到的求解诱导速度的的涡方法( vtth ) 。