查询词典 planform

Simply put, a delta-wing is a triangular wing planform.

简单地说，三角翼就是三角型的翼面。

DSP provides an excellent planform for speech compression technology development. Telecommunication Standardization Sector of International Telecommunication Union proposed G.729A as a kind of high quality and low rate speech coding solution in 1996. TMS320C6711 is an advanced floating-point DSP, which is released by Texas Instrument.

数字信号处理器为语音压缩技术的发展提供了良好的实现平台。G.729A是国际电信联盟于1996年底推出的高质量低码率的语音压缩方案，TMS320C6711是TI 公司推出的高性能浮点数字信号处理器。

Servo-rotor of two circular planform blades mounted on short streamline stubs.

伺服两个圆形俯视转子叶片安装在短期精简存根。

A vacuum cleaner has a vacuum pump with a housing (102) including a lobed chamber (104) having an epitrochoidal planform.

一种真空吸尘器，它具有一个真空泵。此真空泵的壳体（102）包括一个具有长短辐圆外旋轮线平面形状的瓣轮腔室（104）。

To analyze quantitatively the performances of genetic algorithms used in aerodynamic optimization design and the effects of the skills introduced, the numerical test planform for genetic optimization models is set up on Microsoft Fortran Powerstation.

建立了以Fortran Powerstation 4.0为开发环境的各种遗传优化模型的数值试验平台，对各遗传算法、改进技术及其优化模型的性能（优化质量和优化效率、可操作性）进行定量分析，并在此基础上建立了翼型、机翼和全机的优化设计软件系统。

The geometrical parameters of the wing and tail planform and few geometrical parameters of fuselage which have more on the configuration are optimized and those constant parameters are given values according to the designer's experience or the optimizations of the parts.

在优化时，将整机外形几何参数分为优化变量和固定参量；主要优化对总体外形影响较大的机翼、尾翼的平面形状几何参数以及少数几个机身的几何参数；对于固定参量，根据经验或部件层次上的优化结果给出固定值。

To analyze quantitatively the performances of genetic algorithms used in aerodynamic optimization design and the effects of the skills introduced, the numerical test planform for genetic optimization models is set up on Microsoft Fortran Powerstation. As applications, several aerodynamic optimization designs for airfoil, wing and aircraft are carried out to testify the adaptation of genetic optimization models.

建立了以Fortran Powerstation 4.0为开发环境的各种遗传优化模型的数值试验平台，对各遗传算法、改进技术及其优化模型的性能（优化质量和优化效率、可操作性）进行定量分析，并在此基础上建立了翼型、机翼和全机的优化设计软件系统。

The short take-off and fast climbing capabilities of the fighters with such a wing planform was viewed as a major advantage by the PLAAF facing the threats of the predominant Soviet air power.

在人民解放军空军主要面临苏联空中力量威胁的时候，这样的飞行平台的战斗机短距起飞和快速爬升能力被视为主要的优势。

The new trainer retained the wing planform and powerplant of the JJ-7, but was given a redesigned forward fuselage with lateral air intakes and the in-flight refuelling probe.

新的教练机保留JJ-7翼面和动力装置，但是重新设计采用侧进气道的前机身和装上空中加油探头。

The numerical results of river channel planform change, longitudinal bed profile, channel cross section, water surface profile and channel sediment transport are analyzed and discussed.

根据模拟得到的河道平面形态、横断面形态、河床纵剖面，沿程水面线及沿程输沙率的变化，分析了河床初始比降、入口含沙量、流量和河岸抗冲性等各种因素对河型转化的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。