查询词典 sheaf of germs of continuous functions

The wheat sheaf in Roman times was meant to ensure fertility, since it was believed that the fertility of the seeds would be transferred to the couple on whom they fell.

因为人们相信种子强盛的繁殖能力会转移到新婚的夫妇身上，所以麦穗和蛋糕意味着多子多孙。

A sheaf of wheat is there

四周围有百合花围绕着。

Dron had never once been drunk or ill since he had been appointed elder; he had never after sleepless nights or severe labour shown the slightest signs of fatigue; and though he could not read or write, he never forgot an account of the pounds of flour in the huge waggon-loads he sold, and of the money paid for them, nor missed a sheaf of wheat on an acre of the Bogutcharovo fields.

德龙在全部任职期间没有醉过一次酒，没有生过一次病；不论是一连几天几夜不睡觉，也不论干了多劳累的话，从来没有露出过一丝倦容，他虽然目不识丁，却从来不曾忘记一笔帐，他轻手卖掉无数车的面粉，从来也没有忘掉——普特，他从来没有忘掉在博古恰罗沃的每俄亩土地上收获的任何一堆粮食。

When the time for cutting the sheaf had arrived, that is, on the evening of the 15th Nisan, even though it were a Sabbath, just as the sun went down, three men, each with a sickle and basket, set to work.

当时间切断捆已抵达，就是晚上的十五尼桑，即使它是一个安息日，就像太阳坠毁，三名男子，每一个镰刀和篮子里，开始了工作。

Finally,through some ideas from Algebraic Geometry,we constructed strongly exceptional collections of derived sheaf categories,and solved the problem that equivalences between some posets.

最后，通过代数几何里的一些思想，我们构造了导出层范畴的强例外集合，解决了一类偏序集的等价问题。

Events,Operation and Relation of Sets, Classical Probability, Geometrical Probability , Statistical Stability of a Frequency, Axioms of Probability, Conditional Probability, Total Probability Theorem, Bayes' Rule,Independent Events,Independent Repeated Trials, One Dimensional Random Variables, Discrete Random Variables, Distribution Function of a Random Variables , Continuous Random Variables, Normal Distribution, Distribution of a Function of a Random Variable, Multidimensional Random Variables, Joint Distribution Function, Marginal Distribution Function,Discrete Two—Dimensional Random Variables,Continuous Two—Dimensional Random Variables, Independent Random Variables, Distribution of Functions of Random Variables,Expectation,Variance, Covariance, Coefficient of Correlation, Bivariate Normal Distribution, Law of Large Numbers, The Central Limit Theorems, Sample and Population ,Chi—Squared, T and F Distributions , Sampling Distributions , Point Estimation , Interval Estimation , Testing Hypotheses , A Test of Significance for Parameters in a Single Sample From a Normally Distributed Population , A Test of Significance for Parameters in Two Sample From Normally Distributed Populations .

本课程的主要内容：概率的概念与运算、随机变量及其分布、随机变量的数字特征与极限定理、数理统计的基本概念、估计和检验的基本方法，随机事件与概率随机事件、事件的关系与运算、几何概率、统计概率等，条件概率、全概率公式、贝叶斯公式、事件的独立性、二项概率公式，随机变量的概念、离散型随机变量、随机变量的分布函数、连续型随机变量、随机变量函数的分布，多维随机变量及其分布函数、边缘分布函数、随机变量的独立性、二维随机变量函数的分布，数学期望、方差、协方差和相关系数、大数定律、中心极限定理，总体与样本， X 2-分布、 t-分布和 F-分布，统计量及抽样分布，假设检验的基本概念、单个正态总体参数的显著性检验、两个正态总体参数的显著性检验。

Theorem Let be continuous on a bounded closed region in the -plane.(1) If is given by and , where are continuous functions of on, then

定理 设在xy平面上的有界闭区域 D 上连续，(1)若区域由和所给出，其中是上的连续函数，则。

The course is divided into two parts: Part 1: Signal representations - discrete and continuous; System representations; Linear time invariant systems (Superposition, Causality, Impulse response, Stability, Transfer functions); Discrete and continuous convolution.

通过 本课程的学习，学生应能掌握信号分析与线性系统的基本理论及分析方法，应能建立简单电路与系统的数学模型，并对数学模型求解，为后续课程的学习打好基础。

SUI Yunkang, different filter functions of element weight, element allowable stress and element stiffness are introduced to change the 0-1 type discrete topological variables to continuous topological variables between 0 and 1, thus a topological optimization model with continuous topological variables is built.

删除无效约束技术就是在近似射线步以后，根据一定的准则，将约束分为无效约束和有效约束，删除无效约束，保留有效约束，减小优化模型的规模，提高求解效率。

Rotary piston pump is a new structure of water pumps, running a very reasonable job, using the principle of variable volume compression job, a direct-driven rotary manner, as opposed to centrifugal pumps have a series of outstanding performance advantages, rotary piston pump with the complexity of the structure of the centrifugal pump, as with the shell and the rotor blades of the rotor and casing of the rotary continuous variable volume zone, the formation of continuous expansion and compression, pumping and pumping implementation functions.

旋转活塞水泵是一种新型结构的水泵，工作运行状态十分合理，采用变容积压缩原理工作，直接旋转方式驱动，相对于离心式水泵有一系列突出的性能优势，旋转活塞泵结构的复杂程度与离心泵一样，由外壳和带叶片的转子组成，转子与外壳形成连续的旋转变容积区，形成连续的扩张和压缩，实现抽水和扬水的功能。

During a pre-drupa factory tour for journalists, a 5-over-5 XL 105 perfector with coater and a 4-over-4 XL 145 were shown.

在会前参观工厂德鲁巴记者， 5比5仪与105双面涂布和4比4仪显示145 。

A growing number of cautionary voices from the world of mental health research are saying it isn't.

世界各地越来越多的心理研究表明，这并非是个好主意。