这架四叶螺旋桨直升飞机是由装在iPhone里的软件控制的。
The four-propeller helicopter is controlled by software installed on the iPhone.
潜艇前置导叶螺旋桨是CSSRC为提高潜艇快速性和降低螺旋桨噪声而开发的一种新装置。
Submarine Guide Vane Propeller is a new device developed by CSSRC to improve powering performance and reduce propeller-radiated noise of submarine.
叶切面最大厚度计算是螺旋曲面加工准备过程中必要的环节。
The computation of maximum thickness of the section of blades is necessary for preparing for manufacturing of the screw surface.
适用于固定或流动式的滑叶型及螺旋型空气压缩机，特别适用于负荷的操作。
Applicable to fixed or mobile sliding vane type and screw air compressor, especially suitable for load operation.
目的采用16层螺旋CT对肝叶进行体积测量，探讨肝硬化肝脏体积变化的规律及其与肝硬化严重程度之间的关系。
Objective To measure the hepatic lobes with 16 slices helical ct, and discuss the relationship between the changes of the cirrhotic liver volume and the severity of the disease.
结论16层螺旋CT能准确地测量肝脏及各肝叶的体积，肝硬化肝脏的大小与疾病的严重程度相关。
Conclusion The 16 slices helical CT can measure the hepatic lobes accurately, the changes of the hepatic lobes volume are correlated with the severity of liver cirrhosis.
为了便于计算，对兴波部分简化了计算模型，螺旋桨用无限叶数螺旋桨模型来代替。
A simplified model of propeller with infinite number of blades is employed to account for the effect of free wave in this paper.
漏斗排沙方式利用螺旋流的分离机理来排除渠道泥沙； 平轴螺旋管流排沙是利用在管间加设导叶的方式产生螺旋流来输运泥沙。
The way of the sand funnel make use of separating mechanics of spiraling flow to breed out the sediment of the channel.
目的对比研究螺旋水刀和超声刀在肝叶切除术中的应用。
Objective to evaluate the use of water-jet dissector and ultrasonic dissector (CUSA) during hepatectomy.
茎有时分枝，通常螺旋扭曲，多叶，很少无茎的植株的。
Stems sometimes branched, usually spirally twisted, leafy, rarely plants stemless.
在机身中心上面安装一个三浆叶主螺旋桨。
The three-blade main rotor is mounted above centre of fuselage.
它由螺旋桨和安装在尾附体与螺旋桨之间一适当位置上的导叶组成。
It is composed of propeller and guide vane, the latter is installed at an appropriate position between stern appendages and propeller.
本文用涡动力学理论分析了锯齿形叶梢对螺旋桨的梢涡的影响。
The effect of the sawtooth shape tip on tip vortex of the propeller is studied with the theory of vortex dynamics in the paper.
搅拌调速范围：40～200转/分，搅拌桨形式：二叶螺旋推进式。
Stirring speed range: 40~200 R/Min, Impeller form: Push type of bicuspid spiral.
如同Z - 9b, Z - 9c也具有的特征是一个改进11浆叶涵道减阻内置尾螺旋浆，采用宽弦全复合浆叶而不是像AD 365n1型一样的13片全-金属浆叶。
Like the Z-9B, the Z-9C also features a modified 11-blade Fenestron faired-in tail rotor with wider-chord, all-composite blades instead of 13 all-metal blades as in as 365n1.
Z - 9b型特点是一个改进11浆叶涵道尾桨，减阻内置螺旋浆采用宽弦、全-复合浆叶而不是像在AS 365n1型中的13片全-金属浆叶。
The Z-9B variant features a modified 11-blade Fenestron faired-in tail rotor with wider-chord, all-composite blades instead of 13 all-metal blades as in as 365n1.
在叶鞘裹住的幼叶下部呈现螺旋状。
A spiral deformation occured in the lower part of the young leaf enclosed in the sheath.
本文介绍由斜螺旋面和单叶双曲面组成的犁面在犁面主参数确定后的工程作图法。
It's introduced in this paper how to draw the engineering drawing of the plow surface formed by a combination of a oblique helicoid and a hyperboloid of one sheet.
本论文以计算机为手段，提供了一种对于有限叶船用螺旋桨的图谱设计的计算机辅助设计方法。
This thesis provides a method of the computer-aided design of ship propellers with finite number of blades by using the collection of illustrative plates.
文中还就最佳直径问题，将新图谱与以前发表的三叶至五叶B型螺旋桨图谱作了比较。
On the optimum diameter problem of3 to 5 blade B-propellers, the new diagrams are compared with the old ones.
所述螺旋藻多糖与银杏叶提取物的质量比优选为2∶1。
The preferred mass ratio of the spirulina polysaccharide to the folium ginkgo extract is 2:1.
基于叶素修正理论和三维机翼气动系数计算公式，提出了一种分析双叶定距螺旋桨的新方法。
A new method for analyzing twin-blade fixed-pitch propeller was proposed based on the theory of corrected blade foil and aerodynamic formula of 3-d wing.
方法：将螺旋藻多糖（PSP）与银杏叶有效成分（GBE）按不同剂量、多种比例复合，加入含肿瘤细胞的培养板中，MTT法分别测定其对人肝癌7402细胞增殖的影响。
Methods:Mixed Polysaccharides of Spirulina Platensi (PSP) with active ingredient of Ginkgo Biloba L (GBE) at different ratios and doses, were added into in culture plates with 7402 cells.
方法：将螺旋藻多糖（PSP）与银杏叶有效成分（GBE）按不同剂量、多种比例复合，加入含肿瘤细胞的培养板中，MTT法分别测定其对人肝癌7402细胞增殖的影响。
Methods:Mixed Polysaccharides of Spirulina Platensi (PSP) with active ingredient of Ginkgo Biloba L (GBE) at different ratios and doses, were added into in culture plates with 7402 cells.
应用推荐