E类和A 类空域的划分取决于在这两类空域飞行的飞机类型。
The reason for the division of Class E and Class A airspace stems from the type of planes operating in them.
需要持有明确的空中交通管制许可才能进入B类空域，如接近一个大都会机场。
To enter Class B airspace, such as an approach to a major metropolitan airport, an explicit ATC clearance is required.
例如，VFR飞行员进入C类空域所要做的就是与空中交通管制建立双向无线电联系。
For example, all a VFR pilot has to do to enter Class C airspace is establish two-way radio contact with ATC.
而这一问题在现代显出人类空前的贫乏。
类装入器约束保证了类空间在JVM中的一致性。
Class loader constraints ensure the consistency of the class space in the JVM.
人类空间统计学研究人与人之间空间距离的文化，行为。
The study of the cultural, behavioral, and sociological aspects of spatial distances between individuals.
基于椭圆分布函数可导出两类空间变异函数的数学模型。
Two types of the mathematical models of Spatial Variogram are inferred based on the elliptic distribution function.
带着外国生产标志的分类空瓶，在沙特阿拉伯境内重新装满。
Classified empty bottles with labels showing a foreign origin, to be refilled in Saudi Arabia.
娃娃拉线可以举办这类空间旅行者的小团体，以收集古董娃娃。
Dolls Stube can host small groups of travelers in this one-of-a-kind space, featuring a collection of antique dolls.
分析了雷达对直升机和固定翼飞机这两类空中目标的识别能力。
This paper analyzed the radar recognition ability of two kinds of air targets, i. e. helicopter and fixed-wing aircraft.
三类空间的分类设计使游客参访、寺院礼佛和会议召开互不影响。
Classification of three types of space designed to make tourists visiting the monastery and the Buddha meeting independently of each other.
还对这类空首布的发现情况、铸行区域、铸行年代等相关问题进行讨论。
This article discusses the relevant issues of Large-sized socketed spade coin, such as the situation of discovery, as well as the area and age of casting.
正确认识壁画艺术与人类生活空间的联系，对于人类空间而言是必要的。
It is necessary for the humanity space to correctly know the relation between mural art and the humanity living conditions.
地球空间包括高层大气、电离层和磁层，是人类空间活动的最主要的区域。
The geospace, which includes the upper atmosphere, ionosphere and magnetosphere, is the most important region of human space activities.
算例表明：采用本文理论可以极为有效地分析各类空间桁架几何非线性问题。
Numerical examples show that the incremental finite element method presented in this paper can analyse the geometrically nonlinear problems of space trusses satisfactorily and effectively.
在介绍空时码的MIMO信息论基础上，系统地对三类空时码进行了分析比较。
In this paper, after introducing MIMO information theory about sp ace time code, three kinds of space time code are compared and analyzed systematically.
鼓励优先设立填补博物馆门类空白和体现行业特性、区域特点的专题性博物馆。
The establishment of museums with special topics that can fill up vacancies of the museums' types or can embody industrial or regional characteristics are encouraged.
在空间知觉研究领域，距离知觉是理解人类空间表征和与空间导航的重要窗口。
In the recent spatial researches, distance perception has been a primary concern for understanding how human beings establishes a memory of location and navigates in an environment.
经过调查：使用过静音无油空压机的用户都纷纷表示愿意给朋友推荐此类空压机！
After investigation: use a mute oil free compressor users have offered to give the recommendation of a friend such air compressor!
本文给出稳定型空间的定义，给出C_0半群在这类空间上指数稳定的充要条件。
The stable type space is defined and a characteristic property on exponential stability of C_0 semigroups is given in this kind of spaces.
本文证明在类空间存在一生成基，与投影算符或幂等元相反，它是各次幂不等的。
In this paper we showed that there is a generating basis in class space. It differs from the projection operators and idempotent for every power which is not equal to itself.
为评价多种因素对边坡稳定性的影响，提出了岩体边坡稳定性灰色聚类空间预测方法。
To evaluate the effects of various factors on the stability of rock mass slope, the grey classification together method for space prediction of the rock mass slope stability is put forward.
真正能达到标准的此类空气压缩机除德国、丹麦、意大利等国家一些国际知名品牌外；
Really can reach the standard of these air compressor except Germany, Denmark, Italy and other countries outside some international famous brand;
我把自己定义成一个爱光的人，并且我愿意为人类空间提供更好的灯光和照明解决方案。
I do define myself a person who love light and would like to bring better Lighting and better Lighting solutions for Human spaces.
本文总结出空间索引系统应提供的三类空间查询：空间范围查询、最近邻居查询、空间连接查询。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
心理旋转方向的研究对理解人类空间认知方面不仅具有重要的理论意义，而且具有重要的应用价值。
Mental Rotation not only has important theoretical significance on the understanding of human spatial cognition, but also has important application value.
这类类装入器结构允许在一个JVM中存在离散的类空间；所以，对于运行组件化的产品来说非常有用。
This kind of class loader structure allows discrete class Spaces to exist within one JVM; thus, it's very useful for running componentized products.
这类类装入器结构允许在一个JVM中存在离散的类空间；所以，对于运行组件化的产品来说非常有用。
This kind of class loader structure allows discrete class Spaces to exist within one JVM; thus, it's very useful for running componentized products.
应用推荐