F region的例句大全

the nickel mineralization is contained in a layered basic mass if surrounded and underlain by an archean gneiss complex.

此处镍矿化产于一层状基性岩块内，其四周和下面都为太古代片麻岩杂岩围绕。2.Hazard potential evaluation of regions underlain mined caverns is one of difficult technical problems in highway engineering.采空区的危害性评价是矿区高速公路建设技术难题之一。

detection of schumann resonance in the ionosphere f region

电离层F层中舒曼共振现象的检测

Storm-time Joule heating of auroral thermosphere and ionization depletion in the F-region ── eiscat radar observation

暴时极光区热层大气焦耳加热与F区电离耗空的EISCAT雷达观测

Originating from Robert Hooke's law and equilibrious equations, and using the theory of the complex variable function, this paper transfers the rectangle region in which the cracks emerge into the upper-half part of f plane by means of conformal mapping.

本文从虎克定律与平衡方程出发，利用复变函数映象的理论.将裂纹发生的矩形区域保角变换到ζ平面的上半平面去。

It has been discovered that there is a knee-point E s on Fowler-Nordheim curves of the nanotube films, the slope of F-N curve in the low field region is much higher than that in the high field region.

研究表明，碳纳米管膜的场发射Fowler Nordheim曲线上存在一转折点Es（饱和场强），低场区域（EEs）区域。

A New Method of Predicting the Ionospheric F_2 Layer in the Asia Oceania Region

新版亚大地区F2电离层频率预测方法

what does it mean to take the average value of some function f in this region r?

在区域r上求函数f的平均值，这是什么意思？

The approximate equation of curvature correction factors F_c may be used for engineering in certain region.

曲率修正因子F c的近似计算公式在给定的范围内能够满足工程上的需要。

The glass forming region in the ( Mg _ ( 0.25 ) Ca _ ( 0.25 ) Sr _ ( 0.25 ) Ba _ ( 0.25 )) F _ 2-AlF _ 3-YF _ 3 system has been determined by quenching melts.

用熔体淬冷法确定了 ( Mg_ ( 0.25 ) Ca_ ( 0.25 ) Sr_ ( 0.25 ) Ba_ ( 0.25 ) )F_2-AlF_3-YF_3系统的玻璃形成区.

A Model of F_2 Ionosphere Prediction in the Asian and Pacific Region

亚太地区F2电离层预测模型

Eighty-three strains of Newcastle disease virus ( NDV) were isolated from cases during epidemic in different parts of China in 2005.The main functional region of the F gene were amplified by RT-PCR and sequenced.

采用2005年从国内不同地区、不同宿主分离到的NDV分离株，选取其中具有代表性的83株，用RT-PCR技术扩增其F基因重要的功能区片段，进一步进行序列测定。

The distribution characteristic of auroral electrojet in AZS, is helpful for the studies of F layer and magnetosphere coupling in polar region and aurora dynamics.

了解了极光电集流在南极中山站的分布特征，有利于极区电离层和磁层耦合及极光动力学的研究。

In this paper, features of the total electron content and F-region of the ionosphere over the Pacific area during the typical storms are analysed on the basis of published data and some new results are presented.

本文在前人已公布的暴时电离层动态资料的基础上，进行了太平洋地区冬至与夏至期间电子总量和F层特征的分析研究，取得了新的结果。

Sample test construction of mutant t-PA cDNA with both F and EGF domains deleted and its expression culture region

t－PA指形区、上皮生长因子样区缺失突变体cDNA克隆的构建及其在哺乳动物细胞中的表达

A Spherical Mirror F-P Interferometer in Submillimeter Wave Region

亚毫米波球面镜F-P干涉仪

The behaviour of the ionosphere, mainly the F-region, is dominated strongly by the complex relation of longitude ( storm commencement), latitude, geomagnetic configuration and season ( the Southern or Northern Hemisphere).

以F层为代表的电离层的行为强烈地受控于经度（暴时）、纬度、地磁格局和季节（南北半球）的缔合关系；