Let f be a covering mapping of a compact manifold M without boundary. It is shown that the necessary and sufficient condition of the quasi-hyperbolic covering mapping of f is that ( I-f) is injective and has closed range.

  • 设f是紧致不带边流形M上的覆盖映射,证明了f是拟双曲覆盖映射的充分必要条件是(I-f*)为单射且有闭值域。
  • 来源:互联网摘选更新时间:2025-01-20 17:32:04

  • 重点词汇
  • mappingv.映射,绘制…的地图,计划;测图;测绘;
  • coveringn.掩蔽物,遮盖物;
  • thatdet. 那个,那;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • ofprep. 关于;属于…的;由…制成;
  • withoutprep.缺乏,没有,不用;不和…一起;在没有(发生或做某事)的情况下;
  • letv.允许;许可;让;要;假设;出租;
  • sufficientadj.足够的;充足的;充分的;
  • 相关例句
1、

Objective: To identify the regulatory mechanisms underlying the expression of A β-binding alcohol dehydragenase ( ABAD) and its response to hypoxia.

目的探讨Aβ-结合性酒精脱氢酶蛋白(ABAD)的基因表达调控机制及其对缺氧反应的分子生物学机理。

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2、

The Relationship between Hypoxia and the Expression of A β-binding Alcohol Dehydrogenase ( ABAD) and its Protective Role in the Hypoxic Cell Stress

Aβ-结合性酒精脱氢酶蛋白在缺氧性细胞中的表达及其对细胞缺氧性损害的保护作用

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3、

On the ABAD Structure of fixed Idioms

论固定语中ABAD结构

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4、

Diana Abad, like most Americans, loved that tree.

戴安娜阿贝德和大多数美国人一样,喜爱那颗巨树。

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5、

The hipparion ( n_2) red soil and its engineering geological characteristics in abag banner, nei Mongol Autonomous Region

内蒙古中部阿巴嘎地区的三趾马(N2)红土及其工程特性的形成

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6、

Here's a TV Magic Set. Aw, thanks.

这是电视魔术套装噢谢谢

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7、

My niece was showing me all the tricks that she's learned to do with her new magic set.

我的侄女表演给我看她学会了的用她那套新魔术道具能变的各种戏法。

provided by jukuu

8、

Study on Magic Square Matrix Set-Up Method

奇N阶魔方方阵的构成方法研究

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9、

Ramond was drown at aspreto. allright?

雷蒙在阿斯普雷多淹死了,对吧?

provided by jukuu

10、

Conclude the length-diameter ratio of the reymond mill wollastonite production is higher, but the paticle size is big.

总结出雷蒙磨粉磨的硅灰石产品长径比高,但是粒度大。

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11、

Study on control of secondary bacterial disease in virus disease of penaeid shrimp

养殖对虾病毒性疾病的细菌并发症防治研究二氧化氯控制欧洲鳗细菌性疾病

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12、

The different control methods for water quality of penaeid shrimp pond

对虾池塘水质调节措施

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13、

Application of Polymerase Chain Reaction to the Study of Penaeid Shrimp Viruses

聚合酶链式反应在对虾病毒研究中的应用

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14、

Diagnosis and detection of white spot syndrome virus in penaeid shrimp

对虾白斑综合症病毒的诊断和检测

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15、

A discounted price is available to institutions on purchases of print and online made at the same time.

打折的价格对出版的购买上的机构可得到并且在网上同时做。

provided by jukuu

16、

If you purchase books in bulk, then you will have access to a discounted price.

如果您购买的书籍中的大部分,那麽你将能获得折扣。

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17、

If you purchase shoes during event period, you can purchase them with discounted price.

如果您在活动期间购买鞋子,你可以用折扣价购买它们。

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18、

These packages give you excellent advertisement at discounted price.

这些包以打折扣的价格给你极好的广告。

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19、

With Chinese historical culture in the background, this narrative conception follows the pattern of historical narrative tradition and accepts the dip-dye of style of writing in Ming, so at a certain extent this decides the particularity of narrative conception in punctuation and annotation of novel.

这一叙事观念以中国历史文化为背景,远袭中国历史叙事传统,近则受有明一代时文风气的浸染,这在一定程度上决定了中国小说评点中叙事观念的独特样貌。

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20、

According to the current characteristics of the production in dip-dye production, such as large amount of product kinds and production equipments, the math model of the production scheduling which denotes these characteristics is established.

本文针对目前印染企业在浸染生产过程中产品种类和加工设备多、调度复杂的特性,建立了一种用于浸染生产调度的数学模型,并应用遗传算法进行排缸调度求解。

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