极高

To assess the importance of quasar outflow we have performed a series of studies on broad absorption line quasars, and have obtained the following results.

为了确定外流的重要性，中国科学技术大学天体物理中心开展了宽吸收线类星体的一系列研究，取得了一些进展：(1)宽吸收线区的紫外吸收物质的柱密度比原来预计高出2个量级，低电离吸收线形成于饱和的高电离吸收线区；(2)射电宁静的宽吸收类星体吸收物质主要在赤道面，并且不同的源吸收物质分布情况很不相同，而在射电强的类星体中，赤道和极向外流都是可能的；(3)共振散射线偏振表明，外流物质携带角动量。

Diamond, an allotrope of carbon, has many physicochemical properties unrivaled by other known materials, such as superhardness, high thermal conductivity, high spectral transmittance and perfect electrical insulation. Thus it is considered an ideal material for many special applications in mechanics, thermotics, optics, electronics and other fields.

金刚石是碳的一种同素异形体，具有许多其它材料无法比拟的物理化学性质，如超高硬度、高导热率、高光学透过率和极好电绝缘性，因而在力学、热学、光学和电子等领域有许多特殊的应用价值。

By the process of numerical control machining ,carrier antrum of high quality is made out,and the efficiency is improved.

介绍了采用高速数控雕铣机床加工一种尺寸极小、精度要求较高的有色金属零件，利用数控加工的一般流程，体现了高速数控加工的突出特点，加工出高品质的微波芯片零件，大大提高了其加工效率。

RG resistance is uranium metal plating on the top bar magnet, has excellent impact resistance characteristics and high voltage, high reliability, pulse load capability, low voltage coefficient of performance, widely used in communications equipment, high-quality power supplies and other areas .

RG 电阻是用金属铀镀于磁棒上面，有着极佳的耐冲击特性及耐高压，可靠性高、脉冲负载能力强、电压系数低等性能，广泛地使用于通讯设备、高质量电源等领域。

The study includes the hole color TV imagery system for drill hole, even-pole bore-hole acoustic system and acoustic meter, bore-hole multi-point consolidation apparatus, the quick camera computer-aid image for high rocky slope, image technology for layer analysis, safety monitoring technology for the section close to the dam, software for processing and forecasting the slope monitoring data, high precision geodesy monitoring automation system, etc..

钻孔彩色电视孔壁成像系统、直接横波测井研究偶极子井下声系和声波仪、钻孔多点渗压仪及压模系统、岩质高边坡快速摄像微机地质素描成图、层析成像技术、近坝库段安全监测技术、边坡监测数据处理预报软件研究、高精度大地测量监测自动化系统等项目，研究成果内容新、先进、实用，已在工程中应用，效益显著。

According to this point it has good ability to absorb neutron and resist eradiation.Because of their high hardness and strength, excellent wear and corrosion, low density, low friction coefficient good self-lubricate and high temperature properties both silicon carbide and boron carbide components have been widely used in many industries.

由于碳化硼中的B14中子缺失，它还具有较大的热中子俘获截面，具有极好的中子吸收和抗辐射性能，由于其具有耐高温，耐酸碱腐蚀，高强度，高化学稳定性，比重轻，半导体等特点而成为众多行业的首选材料。

However, because of the natural characteristics of the micro and small hole EDM, such as weak discharge energy, high pulse power supply frequency, unstable spark discharge states and small discharge gap, etc., there are still some key technical difficulties in its machining process need to be solved: the difficulties in real-time discharge states detection, in accurate control of machining process, in prediction of discharge states, in improvement of machining system precision and in on-line preparation of micro electrode, etc.

但是由于微细及小孔电火花加工自身具有的放电能量极微、脉冲电源频率高、难以获得稳定的火花放电状态以及放电间隙极小等固有特性，决定了其加工过程仍然存在放电状态实时检测方法单一、加工过程难于准确控制、放电状态难于预测、加工系统精度提高困难和微小电极在线制备困难等关键性技术难点，亟待突破和解决。

The geometries, electronic structures, one- and two-photon absorption spectra for a series of dendritic molecules have been studied.

与偶极矩化合物相比，八极矩分子具有更高的透明性和更大的双光子吸收截面，是更有前途的双光子吸收材料。

Keep the car-shopping clientele happy and keep your profits high to put together a speed demon worthy of the racetrack.

保持购车的顾客高兴，让您的高利润放在极速娱乐网极速影视网一起制造值得赛道的&速度恶魔&。

Firstly, in contrast to the dipole resonator, the folded dipole resonator is used to improve the frequency responses. Secondly, two types of folded Yagi-Uda arrays are fabricated, one is the original array with uniform length and spacing, the other is the optimum array with perturbed length and spacing to obtain a higher directivity gain.

首先，应用摺叠式耦极谐振器取代原有耦极谐振器以改善频响应，接著设计组摺叠式Yagi-Uda阵天线，一是保持均匀长与间距的初始阵，一是微调长与间距的优化阵，以得到较高的方向增。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。