It has been frequently assumed, but not proved, that the majority of the migrants in what has come to be called the Great Migration came from rural areas and were motivated by two concurrent factors.
人们常常假设，但没有证据证明，在所谓的“大迁移”中，大多数移民来自农村地区，这是由两个同时发生的因素推动的。
Galerie St. Etienne is holding three concurrent exhibitions.
圣·艾蒂安美术馆在同时举办3场展览。
He will actually be serving three concurrent five-year sentences.
实际上他要同期服3个5年的刑期。
He was imprisoned for two concurrent terms of 30 months and 18 months.
他被判处30个月和18个月的监禁，合并执行。
Women, who in the study tended to be older than men when they suffered heart attack, were also more likely to have concurrent complications such as diabetes or hypertension．
在这项研究中，女性心脏病发作的年龄往往比男性大，同时也更容易出现糖尿病或高血压等并发症。
The problem is that competition ordinarily cannot be observed directly but must be inferred from the spread or increase of one species and the concurrent reduction or disappearance of another species.
问题是，人们通常不能直接观察竞争，而必须从一个物种的扩展或增加和同时另一个物种的减少或消失来推断。
Only this would explain the need for an express reference to concurrent powers in the Amendment.
只有这样才能解释为什么需要在修正案中明确提到共同权力。
Topics may include possession, gifts, bailments, concurrent ownership, and philosophic bases of property rights.
主题可能包括占有，礼物，委托，共同所有权，和财产权利的哲学基础。
Parallel and concurrent collectors.
并行收集器和并发收集器。
Contrast this with concurrent programming.
并发编程的情况正好与此相反。
Support multiple, concurrent user sessions.
支持多个并行的用户会话。
The first is concurrent resource allocation.
第一个是并行的资源分配。
Concurrent access does not need to be synchronized.
并发访问不需要同步。
Database courses tackle concurrent resource problems.
数据库课程解决并行资源问题。
When this threshold approaches, a concurrent GC begins.
达到这个阈值时，就会启动一个并发gc。
Some provide file locking to prevent concurrent access.
有些提供了文件锁来防止多个用户的并行访问。
These concurrent tasks are shown as circles in Figure 2.
在图2中用圆圈表示的就是这些并发任务。
Many concurrent applications will benefit from their use.
许多并发应用程序将从对它们的使用中获得好处。
So the deadlock occurred when concurrent threads were run.
因此运行并发线程时，出现了死锁。
These classes will work cooperatively in a concurrent manner.
这些类将以一种并发方式协同工作。
Threads, however, are just the tip of the concurrent iceberg.
然而，线程只是并行冰山的一角。
A similar concurrent resolution is pending in the Senate.
另外一个类似的决议案，正等候参议院的审议。
This simplifies the development of many concurrent algorithms.
这样就简化了许多并发算法的开发。
How many concurrent users can access your software system?
您的软件系统可供多少用户同时访问？
We need better tools for profiling such concurrent applications.
我们需要更好的工具去剖析这些并行程序。
The actor model is a different way of modeling concurrent processes.
角色模型是一种不同的并发进程建模方式。
Therefore, you should use concurrent access for faster failover time.
因此，您将使用并发访问以获得更快的故障转移时间。
This ensures correct concurrent behavior at the expense of some latency.
这样以一定的延迟确保了正确的并发行为。
Listing 1 shows the most basic concurrent, singly linked list interface.
清单1给出最基本的并发单向链表接口。
Listing 1 shows the most basic concurrent, singly linked list interface.
清单1给出最基本的并发单向链表接口。
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