并发性

The management of concurrency is, however, one of the core problems in operating systems programming.

然而，并发性的管理是操作系统编程过程中的一个核心问题。

Yet concurrency is important in any modern system.

不过并发性在任何现代系统中都是很重要的。

B D#?$X v-obC0 It is of significance to study the CO2 degasification on the discordogenic fault. It is indispensable to calculating the earth's carbon content. It is also indispensable to making clear the geochemical circulation of carbon, the karst dynamic system of the carbon and the reasons of CO2 content growth in atmosphere and recent intercurrent disasters.

深大断裂的CO2释放作用研究是一项非常重要和有意义的工作，它对于确定地球的含碳量，弄清岩溶动力系统、碳的全球地球化学循环过程，大气中CO2含量增加的原因以及近年来多种并发性灾害的成因都是不可缺少的方面。

The system structure of dynamic data exchange based on ECAis constructed.

网络协同设计中数据交换的特点主要有：产品数据复杂多样，产品数据交换频繁、流量大，产品数据的一致性要求高，产品数据的并发性访问频繁。

NO may play a role in the pathogenesis of OSAHS-induced erectile dysfunction.

NO在OSAHS患者并发性功能障碍的过程中发挥一定作用。

To explore a new means for axial eye length measurements when vitreous turbidity in intercurrent cataract.

目的 ：探索并发性白内障玻璃体混浊时准确测量眼轴的新方法。

This Memory Resident Database Supply these features: Definition of data(table、index、queue et), operation of data; synchronization of data: Data synchronous abilty is pivotal function to distributed DBMS(synchronization of static data, dynamic synchronization between master processor and slave processor); database power-on; Saving and Loading of database etc.

根据系统设计的要求该内存数据库提供以下功能：数据定义，数据操作（数据的插入、删除、修改、查询）；数据的同步机制：数据的同步功能是数据库系统保证分布、备份数据系统一致性的关键(各模块之间的静态数据同步、主备MP大量数据的动态数据同步、MP间动态数据同步)，其中本文主要介绍了主备MP的动态数据同步；数据库系统并发性控制。

The concurrency problem of distributed virtual design is discussed, and some conflict resolution is implemented by locking entity, cooperative operation transaction of entity group and negotiatory method between multi-users.

同时，对分布式虚拟设计中的并发性问题进行了探讨，采用实体锁定机制、实体组的协同操作事务以及多用户的协商机制实现了某些环节的冲突消解。

Petri Nets-based systems such like SAMOS are able to support concurrency, but such networks are very complex to express and uate.

基于Petri网的系统，像SAMOS能够支持并发性，但是这种网状系统表达和评估是非常复杂的。

AIM: To evaluate the safety and clinical effect of bimanual icrophacoemulsification at the treatment of cataract associated with the use of silicon oil.

目的：探讨双手微小切口白内障超声乳化吸除术在治疗硅油填充眼并发性白内障的临床疗效及安全性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐