查询词典 razor-blade

Aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.

基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。

According to the design procedure of wind turbine blades, computing blade parameters based on the vortex theory, a kind of new program design method is offered to display the section and 3D model of wind turbine blades.

按照叶片设计的实际过程，在涡流理论设计叶片参数的基础上，提出了一种能在计算机上立体显示叶片截面及结构的设计方法。

The RANS governing equation and RNG κ-ε turbulence model were used, and the flow fields at different relative positions between blade and volute tongue in a centrifugal pump were simulated by using finite volume method, under the hypothesis of steady flow.

本文选择RANS方程和RNGk-ε湍流模型，采用有限体积法，在假定流动定常的前提下对离心泵中叶片与蜗舌不同相对位置时的流场进行数值模拟，总结分析了各性能参数的计算误差在不同的相对位置时的变化规律。

French physicist Papin invented a four-blade impeller centrifugal pump volute.

达芬奇所作的草图中。1689年，法国物理学家帕潘发明了四叶片叶轮的蜗壳离心泵。

Helicopter rotor design blade number vibration dynamic characteristics air loads response

直升机；旋翼设计；桨叶片数；振动；动力学性能；气动载荷；响应

Explosion-proof ventilating fan consists of motor and blade etc.

防爆壁式排风扇CBPS，BCF，BSF 浙江省乐清市建设西路215号

Has attracts the thick liquid and the flotation process dual function, uses the caster type double leaf blade the novel impeller, and increases the design along with the trough body volume to have the honeycomb duct and to install false, the organization is reasonable, the revolution is reliable, the high performance attracts the thick liquid ability in other flotation machine.

具有吸浆和浮选双重作用，采用后倾式双叶片的新颖叶轮，并随槽体容积的增加设计有导流管和假地装置，机构合理，运转可靠，性能优越于其它吸浆能力的浮选机。

Has attracts the thick liquidthe flotation process dual function, uses the caster type double leaf blade the novel impeller,increases the design along with the trough body volume to have the honeycomb ductto install false, the organization is reasonable, the revolution is reliable, the high performance attracts the thick liquid ability in other flotation machine.

具有吸浆和浮选双重作用，采用后倾式双叶片的新颖叶轮，并随槽体容积的增加设计有导流管和假地装置，机构合理，运转可靠，性能优越于其它吸浆能力的浮选机。

The entire weapon is as black as pitch and reflects no light; its grip is textured with a delicate web pattern while hundreds of tiny spiders are engraved along the two-foot blade.

整个兵器漆黑有如沥青，丝毫不反射光芒；剑柄刻著一张精巧的网的图案，数百只小蜘蛛刻满了两尺长的剑刃。

Everything is a two-blade sword.there is a good side and bad side.

任何事都是一把双刃剑，有好的一面，也有坏的一面。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。