我设计了试验来解答这个问题。但是首先我不得不做些实地测试来理解这个枝叶螺旋布局模式。
I designed experiments that attacked this question, but first I had to do field tests to understand the spiral pattern.
他的试验表明，海豚可以通过辨别螺旋桨发出的声音鉴定不同的舰只。
He conducted tests to show that they could recognize different vessels by the sounds of their propellers.
笔者通过室内模型试验对螺旋锚的倾斜角度对其上拔承载力的影响及其上拔破坏机理进行了探讨。
Laboratory model tests are carried out to investigate the effect of inclined Angle of the anchor on the uplift capacity and the mechanism of uplift failure.
文章综述了国内外有关螺旋焊缝管的断裂试验和研究工作的概况。
The article is a general review of the test and research work on fracture in relation to spiral welded pipes at home and abroad.
螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。
The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.
为了研究混合矿物的分级行为，用磁铁矿和石英的混合矿样在螺旋分级机中进行了一系列分级试验。
A series of experiments have been carried out with the mixture of magnetite and quartz in a spiral classifier to study the behaviour of mixture of minerals.
通过正交试验研究了磨削参数对船用螺旋桨叶片表面粗糙度的影响。
The effects of grinding parameters on surface roughness of Marine propeller blade were studied by using orthogonal test.
用于电磁兼容试验的宽频带天线有很多类型，如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.
本文是一篇关于利用整体型内螺旋翅片管强化沸利昂12干式蒸发器传热的试验报告。
This paper is an experimental report on heat transfer enhancement of freon-12 dry evaporator using integral internal spiral fin tube.
本文根据某船螺旋桨的噪声测量和激振试验结果，描述了螺旋桨鸣音的特点和产生鸣音的机理。
Peculiarities and mechanism of propeller singing are described based on results of acoustic measurements and vibration excitation tests of a Marine propeller.
试验结果表明，整体型内螺旋翅片管用于氟利昂干式蒸发器的流动沸腾传热是非常有效的。
The experimental results show that integral internal spiral fin tube is very effective for flow boiling heat transfer of freon dry evaporator.
对某柴油机螺旋进气道进行传统的气道稳流试验，得到了涡流比和流量系数。
The swirl ratio and flow coefficient can be obtained through the traditional steady flow test in diesel helical intake port.
小型螺旋锚快拉试验的目的是探讨螺旋锚的参数与性能的关系。
The purposes of fast pulling experiment of minitype screw anchor are to explore how the parameters of the screw anchor determine its performance.
结果表明，用此简化计算公式计算的结果与试验数据基本一致，可以用于螺旋片导流式气液分离器螺旋结构设计计算。
The results show that the values from this simplified calculation formula is consistent to the test data and it can be used to design the spiral structures.
对婴儿出生数量、筛选过至少一次的妇女，以及是否进行了更快、更便宜的螺旋体筛选试验或非螺旋体检测等作了初步分析。
Questions probed the number of deliveries, number of pregnant women screened at least once, and whether faster and cheaper treponemal screening or nontreponemal tests were done.
螺旋锥齿轮误差修正试验研究。
Experimental study on the error correction of spiral bevel gear.
叉车整车试验表明在叉车上应用膜片弹簧离合器优于螺旋弹簧离合器。
The tests of complete forklift truck shows that using diaphragm spring clutch in forklift truck is better than spiral spring clutch.
目的评价64层螺旋CT联合平板运动试验对冠心病的诊断价值。
Objective To explore the diagnostic performance of 64-slice spiral ct combined with exercise treadmill test for coronary artery disease.
对比试验结果表明，螺旋钢丝圆筒筛确能提高物料筛分的分离完全度，但物料的轴向平均速度有所下降。
It is shown that sizing efficiency of the cylinder is higher than that of general cylinder and that axial average speed of material has certain decrease by experiments.
偏心螺旋传动试验台是一种新型的螺旋传动试验台，有其独特的传动原理、结构、试验方法及其应用。
Eccentric screw testing device is a new type of testing device. Its transmission principle, structure, tes - ting method and application are introduced in this paper.
通过硬质合金立铣刀高速加工铝合金的铣削试验，对螺旋状切屑的成形进行了研究。
By the experiment of high-speed milling aluminium alloy with carbide end milling cutter, the method of helical chip formation was researched.
试验结果表明，螺旋折流板阻力只有弓形的30%，此外，在同样的压降下，螺旋折流板传热效率也提高10%。
Test results show the resistance of spiral plate is 30% of that of segmental baffle, and the heat transfer efficiency is improved by 10% at the same pressure.
在甘蔗收割田间试验和螺旋式扶起机构扶起甘蔗运动过程观测的基础上，建立了螺旋式扶起机构模拟试验台。
Based on field experiments of sugarcane harvest and observation to the motion of sugarcane in lifting process, a spiral sugarcane-lifting simulation mechanism was manufactured.
为了深入研究秸秆膨化技术，完善膨化设备的功能，研制了秸秆螺旋喂料装置，并对其工作性能进行了试验研究。
In order to study deeply the technology of extruding straw and improve the performance of extrusion equipment, screw feeding device for chopped straw was developed, with its working properties tested.
实船试验表明，该合金螺旋桨比铜合金螺旋桨噪声有较大幅度降低。
Ship sailing tests show the propellers made of this alloy have much lover noise than copper alloy propellers.
与传统圆柱形螺旋分级机的对比试验结果表明，新型螺旋分级机的分级效率大幅度提高，分级量效率达到81%，质效率达到67%。
Compared with a conventional cylindrical spiral classifier, the spiral classifier can increase greatly the classification efficiency to 81% by quantity and 67% by quality.
本文介绍上海交通大学空泡筒进行螺旋桨噪声试验研究情况及部份结果。
This article describes the propeller noise tests in JTU cavitation tunnel and some of these test results obtained.
最后讨论了新模拟方法在船后螺旋桨空泡与噪声模型试验中的应用。
Finally the application of the new modeling method to model test of cavitation and noise of propeller working behind is discussed.
并以模型试验的方法研究了不同充气方式和充气量对螺旋桨水动力和辐射噪声的影响。
The effects of different jet mode and air amount on propeller's hydrodynamics and radial noise are also studied by model tests.
近几年来，上海交通大学船模试验池对简易导管螺旋桨进行了多种方案的系列试验研究。
In recent years, several types of the ducted propellers with simplified duct profile have been systematically tested by the Shanghai Jiao Tong University ship model basin.
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