This allows you to execute any external shell command.
这允许你键入一个命令行。
The phonetics is the material & external shell of language.
语音是语言的物质外壳。
The existing external shell was optimised and new windows installed to replicate the original geometry of the glazing that occupied the large openings.
现有的外壳进行了优化，并安装了新的窗口，复制原来的几何玻璃，占据了大的开口。
The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).
反应堆压力容器包括顶盖、加肋管板，壳体(外壳和底部壳体)三部分。
The bash shell contains two types of commands: builtins, which are internal, and external programs (or external filters and commands), which are typically self-contained binary program files.
bashshell包含两类命令：内部的内置命令和外部程序(或外部筛选器和命令，它们通常是自含的二进制程序文件)。
That's because shell_exec lets you run an external program via the shell, then returns the result as a string.
这是因为shell_exec允许您通过shell运行外部程序，然后以字符串的形式返回结果。
Following the example of the execution of the argument CMD, you could write a shell or interactive environment in Rexx (perhaps running either external utilities or built-in commands, much like bash).
按照参数cmd执行的例子，您可以在Rexx中写一个shell或者交互式的环境(或许会运行外部的实用程序或者内置命令，正如同bash)。
A shallow shell model is developed for the elastic buckling of a single wall carbon nanotube under a uniform external axial pressure by using the nonlocal elastic theory.
基于非局部弹性理论，在考虑小尺度效应影响的情况下，建立了单壁碳纳米管在均匀轴向外部压力下的壳体模型。
The harmonic analysis will forecast the shell 's stable response to the external harmonic inspire prompting-the driver device.
而其谐响应分析，则预测了壳体在动力装置这一外在简谐激励下的稳态响应。
This paper presents the experiment and theoretical analysis of plastic buckling of rib and ring stiffened cylindrical shell under uniform external pressure.
本文进行了纵环加筋圆柱薄壳在均布外压作用下的屈曲试验和分析研究。
The strength calculation of ring-stiffened cylindrical shell of oval cross section under uniformly-distributed external pressure is a complicated problem in mechanics.
均布外压下带肋椭元柱壳的强度计算是一个比较复杂的力学课题。
It has been proved that the ability for a cylindrical shell under the external pressure of static water to bear the load is enhanced by changing the geometrical shape of the cylindrical shell.
研究了在静水外压载荷作用下利用圆柱壳体几何形状的改变来提高其承载能力的问题。
Can also be used to external lighting and signal device and vehicle lamps shell protection.
也可用于外部照明和信号装置及汽车灯具外壳防护。
This is a new kind of project lighting products, as if a meteor-like changes in natural light smooth, external acrylic shell for protection, environmental protection and waterproof.
这是一种新型的工程亮化产品，犹如流星般变化，光亮自然顺滑，外置压克力壳作保护，环保防水。
Metro WDM compact instrument is generally used for base station environment. External interference signal affects its normal work through the signal line or shell.
紧凑型城域波分仪一般用于电信环境，外界干扰信号容易通过信号线或外壳耦合到紧凑型城域波分仪，影响其正常工作。
In short, the people always want to wrap themselves in shell, seems to be made for themselves a good cover, retired, without external influence.
总之，这人总想把自己包在壳子里，仿佛要为自己制造一个套子，好隔绝人世，不受外界影响。
Discuss respectively cylindrical shell buckling characteristic with internal or external pressure.
分别讨论均布径向外压和内压对圆柱壳动态屈曲特性的影响。
In order to endure certain external pressure and seal well, the stainless steel spherical shell is designed and manufactured.
为了能承受一定的外部压力并很好地实现密封，设计并采用粘性介质压力成形工艺制造了不锈钢球壳阀芯。
A dynamic plastic buckling analysis of three AMT aluminum alloy circular cylindrical shell with different thickness under external pressure and axial impact is presented in this paper.
本文利用AMT铝合金三种不同厚度的圆柱壳，在常外压和不同轴向冲击载荷作用下的柱壳塑性动力屈曲问题。
This kind of multi-functional external guide shell is of certain reference value to the design of heat interchanger.
这种多功能外导流筒在一定场合可以取代壳体上的膨胀节，对工程应用具有较好的参考价值。
The stability of a large opening composites conic shell stiffened with nettings under axial compression, external pressure and their combination is calculated in this paper.
本文用有限元法计算了受轴压、外压、以及轴压和外压联合作用下的大开。
The Euler curve of thin shell structural off, stability due to external water pressure is obtained and the correctness and reliability of the method are proved.
通过算例得出了结构外压失稳的欧拉曲线，验证了半解析有限柱壳条元法的正确性与合理性。
In order to simplify external piping, exchangers mostly are built with even number of tube passes. Partitioning reduces the number of the tubes that can be accommodated in a shell of a given size.
为了简化外部管道，换热器一般采用偶数根换热管，隔板处的换热管可以安排到壳内其他地方。
The ceramic vessel is the principal part, whose external surface is equipped with metallic protective shell.
所述陶瓷容器为主体，在 陶瓷容器的外层设有金属防护外壳。
Except for the advantages mentioned hereinbefore, external guide shell possesses more functions such as temperature compensation and prestressed.
除了以上优点外，外导流筒还具有温差和压差补偿作用。
Except for the advantages mentioned hereinbefore, external guide shell possesses more functions such as temperature compensation and prestressed.
除了以上优点外，外导流筒还具有温差和压差补偿作用。
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