The bright red bowl, or arc, seen in this image traces the outer surface of the dense dust cloud encasing the young stars.
图中可见红色的弧形，它是一层致密气体的外层表面，这层气体则遮盖着那些年轻的恒星。
In fact, it works much like Babbage's Difference engine, except that its digits are arrayed along the outer surface of a cylinder instead of horizontally along a loom-like rack.
事实上，它工作原理与巴贝奇的差分机相似，不同之处在于它的数字排列在圆柱形的外表面上而不是向织布机架那样水平分布。
Plant epicuticular wax is a collective term used to describe the organic components of the cuticle which covers the outer surface of aerial plant tissues.
植物表皮蜡质是覆盖在植物最外层的一类有机混合物总称，它是植物自我防护的最后一道屏障，在植物生长发育过程中起重要作用。
This forces carbon into the outer surface of the steel.
强制使碳元素进入钢材的表面。
Coating on the outer surface as indicated on the drawing.
如图所示，在外表面涂层。
Please do not wipe the outer surface with acid, alkali or other corrosive solutions.
请勿用酸、碱或其它腐蚀性溶液来擦拭外表面。
They concluded that this molecule dissolved the scar on the outer surface of the retina.
由此推断这个分子溶解了视网膜外层的疤痕。
During cure, the wax rises to the outer surface of the resin and ACTS as a barrier to the air.
在固化期间，蜡上升到树脂的外表面，隔开空气。
Skin effect is current conduction along only the outer surface of a conductor at high frequencies.
趋肤效应是指在高频下仅通过导体的外表面进行传导的电流。
Electrons on the outer surface of liquid helium form a nearly ideal two-dimensional electron system.
液氦外表面上的电子层构成一个近理想二维电子系统。
An intake hole and an exhaust hole are formed through the outer surface of the exhaust channel unit.
进气孔和排气孔穿过排气通道单元的外表面而形成。
A plurality of helical blades are arranged on the outer surface of the cylinder-shaped cyclone cover.
所述旋风盖为圆筒状，外表面设置有螺旋叶片。
Actually they can be combined, one is using the outer surface, and the other is using the inner space.
而实际上它们是可以互相结合的，一个利用表面空间，另一个则利用内部空间。
In particular, the protection pad can be more easily attached to the outer surface of the home appliance.
尤其地，这种保护垫能够更容易地附着于家用器具的外表面。
The differences of the outer surface ultrastructures of the shell plates among four barnacles are obvious.
本文比较了四种藤壶之间壳板表面的亚显微结构，发现它们有很大的差异。
The controlling switch is arranged on the outer surface of the casing body where the operation is convenient.
所述的控制开关设置在方便操作的壳体外表面上。
A gyration piston and slide sheets engaged with the outer surface of the gyration are installed in each compression cylinder.
每个压缩缸内装有一回转活塞和与回转活塞外表面相啮合的滑片。
The necessity and material selection for protecting the outer surface of the used cooling tower in power plants are described.
阐述了电厂旧冷却水塔表面防护的必要性和材料的选择。
A generic name given to tools that engage on the outer surface of a tubing string or tool assembly, generally for fishing purposes.
与油管柱或工具装置的外表面相接合的工具通称，一般用于打捞目的。
An annular groove is at the outer surface of the insulated loop frame, which requires a vertical parting of the mould along the axis.
线圈绝缘框外侧有一圈凹槽，要求成型模具沿轴线垂直分型。
The graduation scale can be arranged at any place on the outer surface of the cigarette case, such as the right edge of the front thereof.
所述刻度标尺可以设在烟盒外表面的任意位置，比如正面右棱角处。
When machining shaft parts, always machining center hole, and then to the center of the center hole for the processing of the outer surface.
如加工轴类工件时，总是先加工中心孔，再以中心孔为基准加工外圆表面。
The urn cover comprises a shell-shape body made of honeycomb metal board and a veneer arranged on the outer surface of the shell-shape body.
该盒盖包括由蜂窝式金属板制成的壳形主体和设置在壳形主体外表面的装饰面。
The utility model also relates to a coupling hose in which the hose knitted wire is compactly knitted on the outer surface of an inner tube.
本实用新型还涉及一种连接软管，其 在内管的外表面上致密地编织有上述软管编织丝。
Diameter growth occurs when matrix deposition occurs on the outer surface of the bone. Linear growth in long bones occurs at epiphyseal plates.
当骨骼外表面发生基质沉积时，就会发生直径生长，长骨的骨骺板上发生线性生长。
When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.
表面碳势为1.1%C的渗碳硬化层内，临近外表面部位的枣核马氏体中会出现显微裂纹。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力，而环向残余应力为拉应力。
A high and uniform temperature distribution along the outer surface of the combustion chamber is necessary to ensure a high radiation power density.
微燃烧室的外表面必须产生一个高而均匀的温度分布，以尽可能高地输出辐射能。
Cool air circulation is formed on the outer surface of the storage tank insulating layer, thereby reducing the evaporation rate of liquefied natural gas.
本发明在储罐保温层的外表面形成冷空气的循环，能够减小液化天然气的蒸发率。
The utility model can evenly heat the outer surface of the ash bucket so as to ensure the temperature on the outer surface of the ash bucket stay the same.
本实用新型能够对灰斗外表面进行均匀加热，使灰斗外表面的温度保持一致。
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