Back in the '80s, however, when Mach was created, single-processor machines were the norm.
然而，回到上世纪80年代，当Mach创建时，单处理器机器是标准。
Its top speed would be 0.8 mach-that is, 0.8 times the speed of sound or around 600 miles per hour, slightly slower than the coming generation of airliners.
其最高时速将达到0.8马赫——即音速的0.8倍，约合每小时600英里，比起下一代民用客机的速度稍逊一筹。
So are Mach messages still used?
那么Mach消息仍被使用吗？
Components of OAT on MACH 11 setup.
MACH11设置上的OAT组件。
Mach territory in Africa is desert.
非洲有不少土地是沙漠。
Empirical results are needed in the transonic Mach regime.
在跨音速马赫数范围内需要经验结果。
The cruising speed of this new type of fighter is Mach two.
这种新型战斗机的巡航速度为声速的两倍。
The aim is to fly at about Mach 2, twice the speed of sound.
目标是以大约2马赫的速度飞行，也就是音速的两倍。
You can do a lot on OS X without getting down to the Mach layer.
你可以在OSX上做很多事而不需要深入到Mach层。
The microkernel approach, taken by Mach, was not a great success.
Mach所使用的微内核的方法，并没有获得很大的成功。
Aside from the presence of Mach ports on Darwin, the two are remarkably similar.
除了Darwin上还存在的Mach端口，这两者相当的相似。
A Unix-like operating system based on the Mach kernel, plus source code from BSD.
基于Mach核心的类unix操作系统，外加来自BSD的源代码。
From the drawer Mr Mach took out a chain, with a bunch of keys dangling at its end.
马赫先生从抽屉里拿出一条链子，链子一头挂着一串钥匙。
Increasing speeds above Mach 1.3 results in only small changes in shock wave strength.
速度升高到1.3马赫（速度单位，1马赫=音速=340.29m/s——译者注）以后，不会再对冲击波强度造成太大的影响。
Because the Mach layer is responsible for threads, it is also responsible for scheduling.
因为Mach层负责线程，所以它也同样负责排程。
The BSD layer provides most of the operating system services that the Mach layer does not.
BS D层提供了大部分Mach层没有提供的操作系统服务。
Mach provides a few basic abstractions: ports, messages, tasks, threads, and memory objects.
Mach提供一些基本的抽象概念：端口，消息，任务，线程，以及存储对象。
IDS MACH 11 functionality requires concurrent access of multiple IDS instances to Shared chunks.
IDSMACH11功能需要同时访问共享区块(chunk)上的多个IDS实例。
Unlike traditional systems, under Mach a process, or "task", can consist of a number of threads.
Mach的进程——或者叫“任务”——有别于传统的操作系统，可以由很多的线程组成。
Here, it seems to me, lie the roots of the controversy carried on some years ago between Mach and Planck.
我认为，几年前马赫和普朗克之间所进行的论战的根源就在于此。
Beginning with V11, Informix includes a group of high-availability and clustering features called MACH 11.
从V11开始，Informix包含了一组高可用性与群集功能，这些功能也称为MACH 11。
While this is common in modern systems, Mach was the first system to define tasks and threads in this way.
虽然对于现在系统来说非常普通，但Mach是第一个这样定义任务和线程的系统。
HTV-2, an unmanned hypersonic aircraft designed to travel at Mach 20, failed during a test flight last month.
HTV - 2，一架巡航速度设计为20马赫的无人超音速飞机，于上月试飞失败。
This article provided an overview of the enhancements to the secondary servers of an Informix MACH 11 cluster.
本文概括了InformixMACH11 群集中针对次要服务器的增强。
Mach messages are used for a lot of things in OS X, not least of which is the delivery of events from the user.
在OSX里Mach消息被用于很多地方，不仅仅是传递用户事件。
The Mach layer at the bottom of the kernel is visible in userspace, but not directly used by most developers outside Apple.
内核底层的Mach层对于用户空间层（userspace）来说是可见的，但是却不能被大部分非苹果公司的开发者直接运用。
The BSD part of the kernel calls down to the Mach part, but can call these functions directly, not requiring a Mach message.
内核的BSD部分可以调用内核的Mach部分，是直接调用这些功能，而不需要通过Mach消息。
The escape velocity needed by a spacecraft to overcome the tug of Earth’s gravity is around seven miles per second—ie, Mach 34.
宇宙飞船克服地球引力所需的逃逸速度约为每秒7英里（也即34马赫）；
In 1961, American manufacturer Convair released a commercial jet that could reach Mach 0.91, meaning 91 percent as fast as sound.
在1961年，美国制造商Convair生产出了可以达到0.91马赫的商用喷气式飞机，速度相当于声音传播速度91%。
In 1961, American manufacturer Convair released a commercial jet that could reach Mach 0.91, meaning 91 percent as fast as sound.
在1961年，美国制造商Convair生产出了可以达到0.91马赫的商用喷气式飞机，速度相当于声音传播速度91%。
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