空类,empty class
1)empty class空类
1.Repair the illegitimate chromosome on empty class of identification and restoration.采用实数编码方式对每个样本所属的类别进行编码,通过空类的识别和修复来修正不合法的染色体。
2.In order to make it up,the paper proposes that it should be supposed that the subject of categorical propositions are not empty class or full class.本文运用现代逻辑的方法分析传统逻辑中的直言命题及其推理理论 ,指出该理论存在一个严重缺陷 ,即主项存在问题 ,提出必须在假定直言命题的变项为非空类、非全类的条件下 ,该理论才是完善
英文短句/例句

1.space time pattern theory时空类型学说时空类型学说
2.A Class of Spacelike Hypersurfaces in the Lorentz-Minkowski Space;Lorentz-Minkowski空间中的一类类空超曲面
3.W.A.C.C.C. [Worldwide Air Cargo Commodity Classfication ]全球空运商品分类[
4.Aerial platform--ClassificationGB/T9465.1-1988高空作业车分类
5.having open interstices or resembling a web.具有空隙或类似一个网。
6.aerial work category [Certificate of Airworthiness]空中作业类〔适航证明书〕
7.Air is the element of man.空气是人类的生存环境。
8.The Theory of Empty Categories and the Identification of Empty Categories in Chinese;空语类理论和汉语空语类的辨识与指称研究
9.Some Complete Space-like Hypersurfaces in Locally Symmetric de Sitter Space;局部对称de Sitter空间中的一类完备类空超曲面
10.Idle: Start Time(For IDLE Scheduled Type)空闲: 开始时间 (空闲计划类型的)
11.Pinching Problems for Space-like Submanifolds in De Sitter Space;de Sitter空间中类空子流形的拼挤问题
12.Human Beings Activity in Outer Space and the Law for Protection of the Outer Space Environment;人类外空活动与外空环境的法律保护
13.Maximal Space-like Submanifoids in De Sitter Space;De Sitter空间中的极大类空子流形
14.Complete Spacelike Hypersurfaces in a de Sitter Space;de Sitter空间的完备类空超曲面
15.The Curved Surface Deformation of Negative Curvity in Minkowski Space;Minkowski空间中的常负曲率类空曲面的形变
16.Space-like Hypersurfaces in Locally Symmetric Lorentz Spaces局部对称Lorentz空间中的类空超曲面
17.A Class of Topological Spaces Which Contain σ-Compact Spaces and Separable Spaces;一类包含σ紧空间和可分空间的拓扑空间
18.Cyber Anthropology:Interaction between Cyberspace and Anthropology网络人类学:网络空间与人类学的互动
相关短句/例句

space-like类空
1.It is discussed that Lorentz transformations of 4-dimension force and its properties of space-like,time-like and light-like in three different physical cases;a general transformation of 3-dimension force is given.Minkowski时空中的四维力刘泽文(物理系)关键词:相对论/类时;类空;类光;四维力分类号:O412在Minkowski时空中,诸如四维电流密度J ̄μ、粒子的四维加速度ω ̄μ=dU ̄μ/dτ以及四维波矢K ̄μ等向量,其类时、类空以及类光性质一般是。
2.This paper studies the 2-harmonic space-like submanifolds in a locally symmetric lorentzian manifold and obtain the sufficient conditions of the mean curvature to be vanished.研究局部对称Lorentz流行中的 2-调和类空子流形,得到 2 -调和等距浸入的平均曲率为零的充分条件,紧致超曲面以及常平均曲率超曲面的全测地性质。
3.This paper studies the 2-harmonic space-like submanifolds in a locally symmetric pseudo-Riemannian manifold,obtain the sufficient conditions of submanifolds with parallel mean curvature vector to be maximal submanifolds,the Simons type integral inequality of compact submanifolds,and obtain that compact submanifolds with parallel mean curvature vector must be totally geodesic.研究局部对称伪黎曼流形中的2-调和类空子流形,得到具有平行平均曲率向量子流形为极大的充分条件,紧致子流形的Simons型积分不等式,以及具有平行平均曲率向量的紧致子流形的全测性质。
3)space-like subspace类空子空间
4)Spatio-temporal classify时空分类
5)spatial type空间类型
1.Fluctuating spatial types and coupling of desertification factors of Ectone in the area of upland and rear hill;脆弱带坝上后山地区沙漠化因子波动的空间类型与耦合
2.Based on the detailed investigation,the characteristics of the people s move inside the Mianyang city,such as the quality,the directionality,the distance,the spatial type,et al.在绵阳城区选择五个典型社区进行问卷调查,在详细问卷调查基础上总结出绵阳城市内部人口迁居的迁移性、迁移方向性、迁移距离和迁移空间类型等特征;浅析了迁居机制及变化,并据此提出绵阳城市居住空间结构调整的相关建议。
6)type space类型空间
延伸阅读

空类1.谓言论大而无当﹐不切实际。