特性

The system not only can measure the outer and dynamic characteristics and static electric parameters, but also can measure three- phase power factor, input harmonic current and frequency spectrum, and efficiency of arc welding machine.

系统不仅具有测量外特性、动特性、静态参数、电焊机温升等传统电焊机测试台所有的功能，同时还可以测量三相功率因数、输入端电流谐波和频谱分析、弧焊电源效率的功能。

The disadvantage of the latter one is that it often results in poor output characteristic.

论文分析比较了加负载电流前馈技术前后的输出外特性及环流特性，并研制了一台样机，进行了实验验证。

The experiments illustrated that the output characteristic of the simulator is close to the practical PV array.

实验结果表明该仿真电源的伏安特性与实际的光伏方阵特性相似。

The stall/spin test fly for one trainer has been conducted, which is a difficult and great risk project. It is studied in the test fly that entering stall/spin and the effect of all deflection surface on stall/spin and the effect of nose outshoot and gravity location and so on. Using the oscillatory type recovery control law recover successfully from flat spin.

在对某教练机进行的技术难度大、高风险的失速／尾旋试飞研究中，进行了失速／尾旋的进入方法、失速／尾旋的特征、改出特性的研究，同时研究了各舵面对失速／尾旋特性的影响、机头突出物的影响、重心位置等因素的影响，使用振荡型操纵规律成功地改出了平衡尾旋。

The paper calculates and analyses an coupling oscillating mode trait of chute -flow-dam body and the dynamic stability of the chute of overfall concrete face rockfill dam by using ANSYS finite element software and the theory of fluid-solid coupling.

采用ANSYS有限元软件和流—固耦合理论[1，2]，计算、分析了溢流混凝土面板堆石坝的泄槽—水流—坝体的耦合振动模态特性和泄槽动力稳定性，同时应用随机振动理论对脉动压力作用下的泄槽及地基的动力响应作出了定量估算，与原来的双渐方法的结果进行了比较，验证了计算结果的合理性，进而分析了坝体动弹模和堆石厚度对系统动力特性的影响。

This paper expounded the growing characteristics of Larix gmelinii classified stem (dominant stem,average stem,overtopped stem) and analyzed the relation between the growing characteristics of classified stem and its stand factors and locality factors by setting plots and making trunk analysis.

本文通过设置样地，作树干解析，阐明了兴安落叶松天然林分级木(优势木、平均木、被压木)生长特性，并分析了分级木生长特性与林分因子和立地因子的关系。

STN neurons have pacemaking activitiy and their firing pattern can switch from spike mode to bursting mode when membrane potential becomes hyperpolarized.

具有节律性及自发放电特性的STN，有著独特的电气生理特性，在较负的膜电位状况，STN会由棘波式放电转换成丛集式放电。

The aim of this study was to determine the effect of panicle nitrogen fertilizer on starch characters and quality properties of rice.

以4种不同类型的稻米为材料，采用4四个不同的氮素穗肥处理，利用黏度分析仪和XRD技术测定其淀粉特性，探索氮素穗肥对稻米品质及淀粉特性的影响。

This paper took the insect-resistant transgenic birch grown in greenhouse for four years as study materials. The genomic DNA and RNA of leaves were extracted and the integration and the expression characteristic of the extraneous genes in the insect-resistant transgenic birch were analysed by methods of multiplex PCR, reverse primer PCR, inverse PCR, RT-PCR, and insect-feeding experiment of the transgenic plants respectively.

本文以温室四年生转抗虫基因白桦为研究材料，提取叶片的基因组DNA和RNA，运用多重PCR，反向引物PCR，反向PCR和RT-PCR等方法，并结合转基因白桦的喂虫实验，分别对转基因白桦外源基因的整合特性和表达特性进行分析，所得结果如下： 1。

Because this equation has the character of parabolic type in mathematics, it could provide a very accurate and powerful tool for computing fluid mechanics and heat transfer characteristics in micro-tubes after fully developed region. At the time being, comparing with the general computer devices, simulating the program is much faster than the traditional Navier-Stokes equation hundreds of times.

这个边界层方程式因为具有抛物线型的数学特性，用於计算流道内完全发展后的流力与热传特性，能够提供一个准确又有力的最佳工具，就现今较普遍的电脑硬体设备来说，在模拟分析花费的时间比传统的Navier-Stokes方程式所需要时间还要快几百倍以上。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。