Launched from a standard runway, a hypersonic aircraft could fly faster than Mach 5 to strike anywhere in the world within two hours.
从标准跑道起飞，高超音速飞机能以5倍音速在两小时内出击在全球任何地点。
The lower parts come from Mach and a lot, such as the virtual memory subsystem and scheduler, have been heavily reworked in recent versions.
较底层的部分则来自于Mach，并且许多诸如虚拟内存子系统和排程器的部分，都在最近的版本中被大量重写了。
This allowed the system to be distributed over multiple processors, either using shared memory directly as in most Mach messages, or by adding code to copy the message to another processor if needed.
这种设计有利于把系统分布到多个处理器之上，既可以像大多数Mach消息那样直接通过共享内存来传递，也可以在必要的时候增加一点代码把消息复制到别的处理器上。
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。
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。
In theory, the airbreathing engine could propel an airplane to speeds of Mach 7 or faster, enabling aroundtheworld flights that would take several hours.
从理论上讲，这种喷气引擎可以将飞机速度推进到7马赫甚至更快，使飞机能在数小时内完成环球飞行。
As a bonus, learn about new features like ER plug-in and MACH 11 support now available in OAT.
本文还额外讲解了新的特性，比如er插件和现在在OAT中可以的MACH11支持。
The D8 series aircraft would be used for domestic flights and is designed to fly at Mach 0.74 carrying 180 passengers 3,000 nautical miles in a coach cabin roomier than that of a Boeing 737-800.
D8系列的飞机可能被应用于国内航班，在设计上动力为0.74马赫，载客量为180名乘客，最大航程为3,000海里。它的二等舱比波音737 - 800的更宽敞。
The D8 series aircraft would be used for domestic flights and is designed to fly at Mach 0.74 carrying 180 passengers 3, 000 nautical miles in a coach cabin roomier than that of a Boeing 737-800.
D8系列的飞机可能被应用于国内航班，在设计上动力为0.74马赫，载客量为180名乘客，最大航程为3,000海里。它的二等舱比波音737 - 800的更宽敞。
It is necessary to simulate the high enthalpy, high pressure, Mach number and the same concentration of oxygen species as air in hypersonic flight.
地面实验设备必须要模拟高超音速飞行状态下气流的焓、压力、M数和空气中氧气的组分。
That is, the tail section lacked horizontal stabilizers, so researchers could test a theory that those components were a key factor in stability problems at transonic speeds up to about Mach 0.9.
也就是说，缺乏横向稳定器尾节，所以研究人员可以测试的理论，这些成分在跨音速的速度在稳定问题的关键因素增长约0.9马赫。
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。
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。
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。
Since tasks consisted of multiple threads, and it was the code in the threads that used the IPC mechanism, Mach was able to freeze and unfreeze threads while the message was handled.
因为任务由多个线程组成，使用IPC机制的代码又被放在线程内部，所以Mach可在消息处理前后冻结和解冻线程。
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%。
Unlike most other Mach-based operating systems, such as GNU HURD (which, contrary to popular belief, does exist), XNU implements UNIX system calls in the same way as a BSD system.
不同于大部分基于Mach的操作系统，比如GNUHURD（与人们以为的恰恰相反，它的确存在），XNU采用与BSD系统相同的方式来实行UNIX系统调用。
This oblique configuration redistributes the shock waves that pile up in front of a plane at Mach speeds and cause drag.
这种倾斜的外形把超音速飞行时集中在飞机前部并形成阻力的冲击波重新分布。
An experimental investigation on effects of oscillating shock generated by liquid jet on reinforcement of hydrogen-fueled supersonic combustion in Mach 2 airstream was completed.
研究了在燃烧室入口马赫数为2的超音速燃烧中，液体射流所产生的振荡激波对强化超音速燃烧的作用。
The transition of leading shock from regular reflection to Mach reflection respectively happens in the horizontal and vertical branches.
在水平和垂直支管中，诱导激波出现由规则反射向马赫反射转变。
This paper also discusses the implementation of the proposed algorithm in the MACH operating system environment.
本文还讨论了该算法在MACH操作系统环境下的实现方法。
This paper proposes a method to use Mach effect in explosive detonation to enhance the yield of ultrafine diamond.
在爆轰法合成超细金刚石中利用马赫效应提高金刚石得率。
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 boundary conditions under different Mach numbers of the outflow are described in detail.
文中还介绍了可压缩平面混合剪切层计算域在不同出口马赫数下的边界条件。
Mach territory in Africa is desert.
非洲有不少土地是沙漠。
The spectrum curves got from near field experiments prove that moving sources are not negligible even for aerodynamic sources produced in low Mach numb…
探讨了声源运动对声场的影响，实验所得的谱曲线证实了即使在低马赫数下运行的气动源，其运动效果对近场分析亦是不可忽视的。
As part of this effort, an integrated scramjet model is about to begin testing at up to Mach 5.6 in a new wind tunnel in Beijing.
作为该项工作的一部分，一个可达5.6马赫的综合冲压模型即将在北京的一个新的风洞内开始测试。
The behavior of this fused or Mach Wave is the same as that previously described for blast waves in general.
这种汇合（或马赫）波的性质与前面所叙述的一般冲击波相同。
The behavior of this fused or Mach Wave is the same as that previously described for blast waves in general.
这种汇合（或马赫）波的性质与前面所叙述的一般冲击波相同。
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